List of Recycled Assets

Throughout the duration of the series there has been a lot of recycled assets from the show usually to save money and time, ranging from voices, background music, and character models.

Sounds

 * A "bong" sound effect from the MondoMedia intro can be heard when Handy spots what he thinks is a bucket of water in House Warming. This sound is also heard in Wheelin' and Dealin', when the screen closes up on a road sign and in Snow What? That's What! when the tree at the bottom of the hill is seen.
 * Some of the sound effects from the MondoMedia intro can heard in Pitchin' Impossible when The Mole's ball bounces all over the place.
 * The sound of Cuddles' hands slipping off the pole in Spin Fun Knowin Ya is reused in Blast from the Past.
 * The jackhammer sound effect for Nutty is reused in Nuttin' Wrong with Candy and In a Jam.
 * There is a loud echoing sound that can be heard in Crazy Ant-ics when Sniffles' tongue bursts through The Ants' door. This sound can also be heard in Havin' A Ball when Lumpy dies, in Wheelin' and Dealin', when Lumpy's car explodes, though you have to listen closely to hear it, in Pitchin' Impossible when the ferris wheel is released from its hinges, and in From Hero to Eternity when Splendid throws Lumpy's truck.
 * A bubbly sound effect can be heard in The Wrong Side of the Tracks (Cuddles' death), From Hero to Eternity (Handy' death), Party Animal (Toothy's death), Don't Yank My Chain (Cuddles' death), Sea What I Found (Plays during Disco Bear's death, when Lifty and Shifty's laugh after they steal Russell's treasure, when the gold starts to melt, and Shifty's death, Wishy Washy (From the toilet), As You Wish (Sniffles' death), Snow Place to Go (Toothy's arm injury), Gems the Breaks (When the river evaporates), Mime to Five (Sniffles tries to stay at the surface), Chew Said a Mouthful (Mime's death), Home Is Where the Hurt Is (Giggles and The Mole's deaths), Letter Late than Never (When Lumpy looks at his spine), Operation: Tiger Bomb (Fliqpy's hand injury), Cheesy Does It, and Pet Peeve (the pet sneezes).
 * A sound that usually indicates danger is heard in Chip Off the Ol' Block when Pop is about to mow sharp objects, in Water Way to Go when Pop notices Cub is missing after buying ice cream, in Icy You when Nutty drinks from the nozzle, in Remains to be Seen when Fliqpy blankly stares at Lumpy and his leaf blower before attacking, in See What Develops when The Mole flashes Mime with his camera, in Wingin' It when Flaky sees a plane after reaching the airport, in Easy Comb, Easy Go when the ozone layer is broken and Cub dies, in I've Got You Under My Skin when Lumpy gets a brain freeze, in Read 'em and Weep when the green light appears under Cub's bed, and in Breaking Wind when Splendid uses his heat vision.

Cuddles

 * Cuddles' scream in I Get a Trick Out of You, when Lumpy pulls his lower end out of the ambulance is reused in Ski Patrol when the gurney he's strapped to is dragged through some trees.
 * The way Cuddles talks at Mittens in Who's to Flame? is reused in A Hole Lotta Love.Cuddles' voice from Whose to Flame? reused in A Hole Lotta Love.
 * Cuddles' long scream in Blast from the Past is reused in Camp Pokeneyeout when he's hugging Toothy.

Giggles, Petunia, Cub

 * Giggles' scream in Stayin' Alive is reused by Petunia in Keepin' it Reel and From A to Zoo.
 * Giggles' scream in reaction to the iron hitting her face in You're Bakin' Me Crazy is reused for Petunia in Hello Dolly, but with a gargling effect to it.
 * Giggles' laugh at the beginning of Snow What? That's What! is reused in the Flowers and Cupid option of her Smoochie and by Petunia in Ski Ya, Wouldn't Wanna Be Ya! in the Sprinkle option of her Smoochie.
 * The sound Giggles makes when Cuddles' blood splashes on her in This Is Your Knife is repeated by Petunia in Flippin' Burgers.
 * The sound she makes when Cuddles' intestine is wrapped around her neck is also reused in Flippin' Burgers when Fliqpy sticks the bottles in her ears.
 * The sound she makes when the mustard and ketchup is going through her nose is reused during her death in the Note option of her Smoochie.
 * The sounds she makes when she panics over Cuddles' death is reused when blood drains from her tongue in her Smoochie.
 * One of Giggles' giggles in Doggone It is reused in Wrath of Con and is used for Petunia in I Heart U.
 * The scream she uses when she is hanging from her clothes line is reused for Cub when he's on fire in Wrath of Con.
 * In the same episode, the scream she makes when Whistle tears off her skin is reused in Swelter Skelter and Cubtron Z, in Sea What I Found by Cub, and in Wishy Washy and My Better Half by Petunia.
 * Giggles' angry groans in Every Litter Bit Hurts are reused for Petunia in Camp Pokeneyeout.
 * Giggles' coughing at beginning of Every Litter Bit Hurts is reused for Petunia in Breaking Wind.
 * Giggles repeats the same death sounds in Blast from the Past, during her second death, and Double Whammy.
 * The sound Giggles makes when goes down the slide in Swelter Skelter is reused in Breaking Wind and Buns of Steal. It's also reused by Cub in in his Smoochie when he starts to use his hula-hoop.
 * The way Petunia says "Oh wow!" in House Warming, when she is looking at her new house, is reused in Reindeer Kringle and in the Swim and Sprinkle options of her Smoochie, though she only says "Oh" in Swim and "Wow" in Sprinkle. It is later reused by Giggles in Kringle Tree.
 * Petunia's scream during her death in Stayin' Alive is reused in the Spin option of her Smoochie.
 * The way Petunia screams after a bucket of petrol is dumped on her in House Warming, is reused by herself in Flippin' Burgers and Ski Patrol and Giggles in Eyes Cold Lemonade, Stealing the Spotlight, The Wrong Side of the Tracks, Snow Place to Go, Kringle Karols, Butter Me Up, and Sight Kringle.Petunia's scream from House Warming reused in many HTF episodes.
 * The way Petunia says "Yum, Yum, Yum" in Eyes Cold Lemonade is reused by Giggles in Put Your Back Into It.
 * The way Petunia says "Hello" in Who's to Flame? is reused by Giggles in Hear Today, Gone Tomorrow.
 * The sound Petunia makes when she sees her flooded basement in Wishy Washy is reused when Splendid crushes her hand in Just Be Clause.
 * The sound Petunia makes when she opens a drawer to find something to clean off the dirty water in Wishy Washy is reused by Cub in his Smoochie during his first death.
 * The sound Petunia makes to get Disco Bear's attention in A Change of Heart is reused in Chew Said a Mouthful by Giggles.
 * The noise Petunia makes during her death in Home Is Where the Hurt Is is reused in Royal Flush before her death.
 * Petunia's first scream in Royal Flush is reused by Giggles in Spare Tire.
 * The baby talk Cub makes when he's placed in a hammock in Chip Off the Ol' Block is reused in Water Way to Go when he's poking at a starfish.
 * The sound Cub makes when a bear trap lands on his head in It's a Snap is reused in Class Act and Stealing the Spotlight. It's also reused in Hello Dolly, but it's cut short.[[File:Cub's screaming from It's a Snap is reused in Class Act, Stealing a Spotlight and Hello Dolly.|thumb|200x200px]]
 * Cub's baby talk in Rink Hijinks is reused in Snip Snip Hooray! when he plays with the unplugged razor.
 * Cub's gargled screaming in Water Way to Go is reused in Hello Dolly during his death, and later by Giggles in Doggone It.
 * The sound Cub makes after Pop takes the razor from him in Snip Snip Hooray! is reused in Hello Dolly when he greets Petunia and in Cubtron Z (twice).
 * Cub's laughing in the mud in And the Kitchen Sink is used in his Smoochie when he spins his top.
 * Cub's crying in And the Kitchen Sink is reused in Cubtron Z and A Handy Nanny.
 * The sound Cub makes after Whistle rolls off a ball in Doggone It is reused right before dies in Concrete Solution.
 * The very first scream Cub makes in Doggone It is reused by Giggles in Wrath of Con.
 * Cub's screams in Doggone It are reused in Cold Hearted for Giggles.
 * The sounds Cub makes while trying to flip the light switch in Clause For Concern is reused in Going Out With a Bang.

Toothy and Handy

 * The sound Toothy makes when he's knocked off the cannon in Mime to Five is reused in Idol Curiosity and Spare Tire.Toothy's voice from Mime to Five reused in Idol Curiosity and Spare Tire
 * Toothy's screaming in Mime to Five is reused in Spare Tire.
 * Toothy's crying in Blast From the Past is reused in An Inconvenient Tooth.
 * The sound Handy does when he gets dizzy in Don't Yank My Chain is reused by Toothy in Camp Pokeneyeout.
 * Toothy's screaming in All Flocked Up is reused in See You Later, Elevator.
 * Toothy's scream in Take a Hike is reused in All in Vein.
 * Handy's groan in House Warming, Wheelin' and Dealin', and Spare Me are the same.[[File:Handy's groan in "House Warming" is reused in "Wheelin' and Dealin'" and "Spare Me"|thumb|200px]]
 * His groan in Shard at Work and From Hero to Eternity are the same.
 * His groan in Aw, Shucks! and Home Is Where the Hurt Is are the same.
 * Handy's taunting laugh in Wheelin' and Dealin' is reused in The Wrong Side of the Tracks.
 * Parts of Handy's screams in Spare Me are reused in Happy Trails Pt. 2: Jumping the Shark.
 * The way Handy says "What the?" Is reused in both From Hero to Eternity and A Hole Lotta Love.
 * Handy's scream from his injury in Wipe Out! is reused in My Better Half.

Lumpy

 * Lumpy's whistling in Spin Fun Knowin' Ya is reused in Blast from the Past. Lumpy's voice reused from Take a Hike in Brake the Cycle retake
 * Lumpy's scream from It's a Snap is reused in Happy Trails Pt. 2: Jumping the Shark after Sniffles, Flippy, and Handy threw him out of the rocket.
 * The sound Lumpy makes before covering his eyes at the cliff in Happy Trails Pt. 1 is reused in Out of Sight, Out of Mime when he runs away and Remains to be Seen when he tries to shake a zombified Fliqpy off his arm.
 * Lumpy's scream over the rats in Out of Sight, Out of Mime is reused after the theme song in Can't Stop Coffin and Read 'em and Weep.
 * Lumpy's scream in Remains to be Seen, after he witnesses Cuddles and Giggles "kissing" is reused in Ski Patrol when he notices Giggles is dead.
 * The way Lumpy screams after noticing he's naked in Let It Slide, is reused in Remains to be Seen after his arm has been bitten off.
 * When Lumpy slips on Nutty's insides in Icy You, he reuses the same sound when he tripped over a rock in Out on a Limb.
 * The "Oof" sound that he makes when he hits the ground after slipping is reused in Remains to be Seen when Fliqpy stops his lawnmower and when Fliqpy tackles him.
 * The "Aha!" that Lumpy makes when he finds his axe in Out on a Limb is reused when he finds the leaf blower in Remains to be Seen.
 * The way Lumpy screams in his truck explosion in Every Litter Bit Hurts is reused in An Inconvenient Tooth.
 * The way Lumpy screams when he and the other characters are being chased by a bear in Take a Hike is the same way he screamed when he was on fire in Brake the Cycle.
 * The "Aha!" Lumpy makes when he notices the rope while he's falling in Take a Hike is reused in Snow Place to Go when he finds the can opener.
 * The way Giant Lumpy screams when he first sees Giggles is reused in A Vicious Cycle when Fliqpy finds him in a closet.
 * Lumpy's screaming in Mime to Five is reused in Pet Peeve.
 * Lumpy's chicken noises are in both parts of the Double Whammy Part I two-parter.

Nutty

 * Part of Nutty's scream when he is about to die in Nuttin' Wrong with Candy is reused during his death in Party Animal.
 * Nutty's laugh at the beginning of Icy You is reused in From Hero to Eternity and Bite Sized.
 * The injured screams Nutty makes after ripping his lips in Icy You are reused in Bite Sized after he breaks his jaw.
 * The noises Nutty makes before tasting the first grain of sugar in Party Animal is reused when he buys his ice cream in Wipe Out! and when he sees the truck of candy in False Alarm.[[File:Nutty's voice from "Party Animal" is reused in "Wipe Out!" and in "False Alarm"-1488758428|thumb|200x200px]]
 * Nutty's offscreen scream in Doggone It, during the squid attack, is reused in Who's to Flame? and in False Alarm, twice.
 * The "Oooooh" Nutty makes before eating a bag of cement in Concrete Solution is reused in A Sight for Sore Eyes when he sees Russell's kite and in A Sucker for Love when he sees Cub's lollipop.
 * Nutty's "Mmmmmm" from Concrete Solution is reused in In a Jam and Swelter Skelter.
 * The sad "Ooh" Nutty makes at the beginning of Dunce Upon a Time is reused in See What Develops and False Alarm.
 * The laugh Nutty makes after eating the beans in Dunce Upon a Time is reused in False Alarm when he runs to Lifty and Shifty's van before they drive away.
 * The sound Nutty makes when his pantry is empty in Chew Said a Mouthful is reused in A Sucker for Love when he cries over the chocolate box visiting him in prison.
 * Nutty's scream before he is crushed by a car magnet in Chew Said a Mouthful, is reused right before he dies in Double Whammy Part I and Going Out With a Bang.
 * The way Nutty laughs after the picture is taken in See What Develops is reused in False Alarm after he finishes his lollipop.
 * Nutty's laugh in A Sight for Sore Eyes, the one he makes before his injury, is reused in his imagination with the lollipop in A Sucker for Love.
 * Nutty's whimpering in A Sight for Sore Eyes is reused in Easy Comb, Easy Go.
 * The way Nutty laughs after biting Disco Bear's cotton candy in Easy Comb, Easy Go is reused in A Sucker for Love when he imagines himself married to a gum ball machine.
 * Nutty's laughter in Easy Comb, Easy Go, after Disco Bear throws his cotton candy and when he catches it, is reused in In a Jam for his first two laughs, the second laugh is used in the beginning of A Sucker for Love.
 * The screaming coming from Nutty's video game in False Alarm is later reused for his death in All Work and No Play

Sniffles

 * The squeals that Sniffles makes while holding his breath in Party Animal are reused in Doggone It.
 * Sniffles' scream from being electrocuted in Tongue in Cheek is later reused in Dream Job when he falls into the desert. Sniffles' scream from "Tounge in Cheek" is reused in "Dream Job"
 * The sounds Sniffles makes while trying to buckle Nutty's gurney in Concrete Solution are reused in A Hole Lotta Love when he's tightening the last bolt on the drill.
 * The sound of awe that Sniffles makes over seeing Genie Lumpy in As You Wish is reused in Wrath of Con when he arrives to the convention.
 * Sniffles' scream before death is used in As You Wish and A Sight for Sore Eyes.
 * A few of his screams from being tossed around in A Hole Lotta Love can be heard during his death in All Work and No Play.
 * The sound Sniffles makes when he's about to grab his milk before being killed in Blast from the Past is reused in All Work and No Play when Lumpy picks him up with a crane.
 * The laugh he makes after building the ant robot in Tongue in Cheek is recycled at the beginning of Random Acts of Silence.
 * Sniffles' scream before his head explodes in Crazy Ant-ics is reused in Happy Trails Pt. 2: Jumping the Shark, again before his head explodes.

Pop

 * Pop saying "Now stay here" in Chip Off the Ol' Block is reused in A Hole Lotta Love. It's also reused in Cubtron Z, but the word "now" is taken out.
 * Pop's humming from Chip Off the Ol' Block is reused in Easy Comb, Easy Go and Read 'em and Weep.
 * The sound Pop makes when he stops Cub from touching some scissors in Snip Snip Hooray! is reused in Doggone It.
 * The nervous sounds Pop makes when combing over Cub's wound in Snip Snip Hooray! are reused in Doggone It and A Hole Lotta Love.
 * The sounds Pop makes in Water Way to Go when he asks Cub for the soda is reused in Chore Loser.
 * Pop saying "Hold on son!" Is reused in Water Way to Go and A Hole Lotta Love.
 * Pop angrily saying "Eh...? What is this?" In Snip Snip Hooray! is reused in Mime to Five.
 * The sound Pop makes in his Smoochie when the first popcorn pops in his face is reused in Cub's Smoochie when he sees that Cub is dead.
 * The "Ows" that Pop makes while walking through cacti in And the Kitchen Sink are reused in A Hole Lotta Love when the drill spins in circles.
 * Pop's whimpers are reused in And the Kitchen Sink, Sea What I Found, and A Hole Lotta Love.
 * The sound Pop makes when he sees the two trucks in And the Kitchen Sink is reused when he accidentally throws his sack on the train tracks in Clause For Concern.
 * The way Pop yells "No!" and cries in And the Kitchen Sink is reused in Cubtron Z.
 * The first two moans Pop makes when Splendid leaves the laundromat in From Hero to Eternity are reused in A Hole Lotta Love when The Mole breaks the led of a pencil.
 * The sound Pop makes when sees Whistle for the first time in Doggone It is reused in Cub's Smoochie when he thinks Cub is sleeping.
 * The sound Pop makes when Lumpy picks up the phone in Doggone It is reused during his death in Every Litter Bit Hurts, As You Wish, and his first death in his Smoochie.
 * Pop's "Mmmhmm" in Easy For You to Sleigh has the "Mmm" part reused in Cubtron Z when Pop directs Cub in the direction of the City Monster.
 * Parts of Pop's reading in Easy For You to Sleigh are reused in Read 'em and Weep.
 * Pop's yelling in Ipso Fatso is reused in Gems the Breaks.
 * Pop's shocked scream in Don't Yank My Chain is reused in A Hole Lotta Love when he pulls the rope from the well the second time.
 * The sound Pop makes in relief of Cub's temporary survival in As You Wish is reused in A Hole Lotta Love when he is disgusted at Sniffles' death.
 * The sound he makes when he runs to Cub's smashed body is reused when he is sucked out of the plane in Wingin' It.
 * The sound he makes when he panics over Cub walking towards the well in A Hole Lotta Love is reused in A Sucker for Love.
 * The sound Pop makes when he spots the ice cream truck in A Hole Lotta Love is reused in Cubtron Z when he sees the crayon store.
 * The sound Pop makes after getting the idea to tie Cub to his car in And the Kitchen Sink is reused in A Hole Lotta Love when he stops the drill with an anchor, in Read 'em and Weep after he picks the cursed book, in Clause For Concern after the final train passes by, and in Cub's Smoochie when he sees Cub playing with a hula-hoop.Pop's voice from "And the Kitchen Sink" reused in many episodes
 * Pop's "Huh?" in Easy Comb, Easy Go is reused at the beginning of Read 'em and Weep.
 * Pop's "Huh" in A Sucker for Love is reused in Clause For Concern when the car trunk closes on his bag.
 * The panting sounds that Pop makes after Lumpy tackles the demon in Read 'em and Weep is reused in Clause For Concern when he fights over the bag with a dog.
 * The "ah" Pop makes when he decides to grab a shovel in Read 'em and Weep is reused in Clause For Concern when he wakes up.
 * The "huh?" Pop makes when he finds the sausages in his sack in Clause For Concern is reused in Going Out With a Bang.

Flaky

 * Flaky's scream in Rink Hijinks is reused in Ski Patrol and Take Your Seat.Flaky's Gasp in Take a Hike reused in many Happy Tree Friends episodes
 * Flaky repeats the same scream in Out of Sight, Out of Mime, I Get a Trick Out of You, and Keepin' it Reel
 * The sounds Flaky makes as she's dropped by Lifty and Shifty and is skinned by the chimney in Class Act is reused in Let It Slide when she goes down the water slide and in during her second death in her Smoochie.
 * The whimper she makes in Ski Ya, Wouldn't Wanna Be Ya! when she tries to hop on the piece of wood before falling off is reused in From A to Zoo when Lumpy puts her down.
 * The struggling sounds that Flaky makes in Snow Place to Go, before the ice she's stuck to flips the first time, is reused in Royal Flush when she tries to unclog the toilet.
 * Flaky's gasp at the beginning of Take a Hike is reused in Idol Curiosity, Aw, Shucks! and Royal Flush.

Disco Bear

 * Disco Bear says "bananas" in Stayin' Alive and Ski Ya, Wouldn't Wanna Be Ya!.Disco Bear's high-pitched scream from "Blind Date" reused in many HTF episodes.
 * Disco Bear's shrill, high-pitched scream is first used in Blind Date after he is sprayed in the eyes by Petunia. It is later heard again in The Wrong Side of the Tracks when Lumpy nearly causes the roller coaster cart to fall; and also during his deaths in Sea What I Found, As You Wish, and Wishy Washy.
 * The first half of Disco Bear's high-pitched scream from Doggone It is reused in Who's to Flame?, A Vicious Cycle, and Put Your Back Into It.
 * The second half of his scream from the same episode is reused in the same group of episodes, except for A Vicious Cycle. It's also his first scream in his Smoochie.
 * One of Disco Bear's screams in Who's to Flame? are reused in his Smoochie during his first death and in Put Your Back Into It when he straps bandages around his spine.
 * The scream he makes when his eyes get covered in hair in Easy Comb, Easy Go is later heard in his Smoochie when the velociraptor shreds him apart.
 * The way Disco Bear says "Oh Yum!" in Change of Heart is reused in his Smoochie when he gets a lollipop from Lumpy.

Russell

 * Russell's angry moan in Sea What I Found is reused in YouTube Copyright School, twice.[[File:Russell's scream from "Chew Said a Mouthful" is reused in "Idol Curiosity" and "You're Kraken Me Up"|thumb|200x200px]]
 * The "yar" Russell makes before starting his mobile in Sea What I Found is reused in Sea of Love and YouTube Copyright School.
 * Russell's scream from being pierced by a hook in Idol Curiosity is reused when he discovers the glass bottle embedded in his chest in Bottled Up Inside and in YouTube Copyright School when a piranha bites his hand.
 * The scream Russell makes when he jumps over the first pile of coral in Idol Curiosity is reused in You're Kraken Me Up when the squid's tentacle rips off some of his skin.
 * One of Russell's screams in Idol Curiosity are reused in YouTube Copyright School, thrice.
 * Russell's scream in Chew Said a Mouthful is reused in Idol Curiosity and You're Kraken Me Up.
 * Russell's screaming in Hear Today, Gone Tomorrow is reused in You're Kraken Me Up.

Lifty and Shifty

 * Lifty and Shifty's laughs are reused in almost every episode they appear in.[[File:Shifty's scream "Easy For You to Sleigh" is reused in "Swelter Skelter" and "'Buns of Steal"|thumb|200x200px]]
 * Lifty or Shifty can be heard saying "Uh oh" when they notice the sign in Wheelin' and Dealin'. This line is reused by Shifty in Happy Trails Pt. 2: Jumping the Shark.
 * The way Lifty asks Shifty "Where's the wheel?" in Wheelin' and Dealin', is reused in Dunce Upon a Time and with Shifty in Milkin' It and Swelter Skelter when it starts to snow in their apartment. It's also reused in Claw, but it's hard to tell which twin made the sound.
 * The sounds Lifty and Shifty make during their deaths in Wheelin' and Dealin' get reused by Shifty in Who's to Flame?.
 * The sound Lifty and Shifty make when they are pulled back into the butcher shop in Meat Me for Lunch is reused in The Wrong Side of the Tracks when the flag line slingshots their cart and in Dunce Upon a Time.
 * The sound Shifty makes when he dies in Meat Me for Lunch is reused for his death in Cheesy Does It.
 * The sound Lifty and Shifty when they see the electric line in Milkin' It, after throwing away their stuff, is reused in Class Act and Claw.
 * One sound that Lifty makes at one point when he's milking the cow in Milkin' It, is reused in Who's to Flame? when he argues with Shifty over a wallet and in Dunce Upon a Time when he tries to get Nutty to trade his cow.
 * The way Lifty yells Shifty's name in Milkin' It is reused in The Wrong Side of the Tracks and Gems the Breaks.
 * The sounds Shifty makes after being shredded by the windmill in Milkin' It is reused for Lifty in Dunce Upon a Time when he tries to pull on the cows rope.
 * Lifty and Shifty's "Huh?" is reused in The Wrong Side of the Tracks, And the Kitchen Sink, Dunce Upon a Time, Gems the Breaks, and Swelter Skelter.
 * Shifty's scream during his death in Easy For You to Sleigh is reused in Swelter Skelter when Shifty's hands are on fire and in Buns of Steal by Lifty during his death.
 * Lifty and Shifty's scream during their death in Wheelin' and Dealin' was reused by Shifty when he dies in Who's to Flame?.
 * The way they said "Ohh" disappointingly in Meat Me for Lunch is reused in Swelter Skelter when Nutty's ice cream melts.

Mime

 * The sound Mime makes when he dies in Happy Trails Pt. 1 is reused when he dies in Out of Sight, Out of Mime.

Flippy and Fliqpy

 * The sound Flippy makes when he flips out in Hide and Seek is reused in Remains to be Seen, Party Animal, Double Whammy Part I, Operation: Tiger Bomb, and On My Mind. It's reused This Is Your Knife and Flippin' Burgers, but Flippy's whimpering is cut out and it's reused again in Random Acts of Silence, but Fliqpy's growling is extended.Flippy's flipping out voice from 'Hide and Seek' reused in many HTF episodes
 * The sound Fliqpy makes when he bashes Cuddles' face with a rock in This Is Your Knife is reused in Happy Trails Pt. 2: Jumping the Shark, Double Whammy Part I, and Operation: Tiger Bomb. It's also reused in Keepin' it Reel and Remains to be Seen, but Fliqpy makes a charging growl first.
 * The yell Fliqpy makes when his brain is exposed in Remains to be Seen is reused in Double Whammy Part I, Autopsy Turvy (Double Whammy Part II), Operation: Tiger Bomb, and In Over Your Hedge.
 * Dream Fliqpy's first evil laugh in Hear Today, Gone Tomorrow is reused after Fliqpy kills Sniffles in Double Whammy Part I and in In Over Your Hedge at the ending.
 * The confused sound Fliqpy makes in Hear Today, Gone Tomorrow is reused in In Over Your Hedge.
 * The sound Evil Fliqpy makes when he tackles Flippy at the beginning on Autopsy Turvy (Double Whammy Part II) is reused in Random Acts of Silence when he kills Sniffles and A Vicious Cycle when he picks up Cub's trike.
 * The sound Fliqpy makes when he pounces on Flippy at the beginning of Autopsy Turvy (Double Whammy Part II) (or ending of Double Whammy Part I) is reused in Random Acts of Silence and A Vicious Cycle.
 * The sound Fliqpy makes when he lands on the flagpole in By The Seat Of Your Pants is reused in Random Acts of Silence when he kicks Mime's chair.

Splendid

 * Splendid's second groan after being exposed to kryptonut for the first time in Gems the Breaks is reused at the beginning of Just Be Clause.

Instances Where Sounds are Reused in the Same Episode

 * Lifty and Shifty's laughs.
 * Giggles' scream in Let It Slide is reused twice.
 * Lumpy's "oof" is reused twice in Remains to be Seen.
 * Lifty yelling Shifty's name in The Wrong Side of the Tracks.
 * Cub's crying in And the Kitchen Sink is repeated several times during the entirety of the bath scene starting from Cub being placed in the sink the first time to Pop getting an idea after breaking one of Cub's bones.
 * In Party Animal, the squeals that Sniffles makes while holding his breathe are reused when the barrel he's in is pushed down a hill.
 * Giggles' angry moan in Every Litter Bit Hurts is used once when she sees Lumpy dumping trash in lake with a truck and later when he kills a flower with his trucks fumes.
 * The way Lumpy screams after seeing Giggles in Dunce Upon a Time is reused later when Cuddles, Sniffles, and Flaky run past him.
 * Cub repeats the same laugh at the beginning and ending on A Hole Lotta Love.
 * Flippy flipping out in Double Whammy Part I.
 * Fliqpy's yell at the beginning of Autopsy Turvy (Double Whammy Part II) is repeated after his first attempt at killing Flippy with a clock chain and weight.
 * Good Flippy's victorious laugh from the same episode.
 * Fliqpy's confused noise in Autopsy Turvy (Double Whammy Part II).
 * Numerous Fliqpy noises in Autopsy Turvy (Double Whammy Part II) throughout the clone fight.
 * In Read 'em and Weep the scream Petunia makes before her skin tears is reused when she's pulled through the sink.
 * Nutty's laughs in A Sucker for Love are reused whenever he imagines himself spinning with some candy.
 * Nutty's laugh is repeated whenever he imagines kicking the door to his house.
 * The sound Nutty makes when he breaks the gum ball machine is reused when the chocolate boxes water breaks and when the chocolate box visits him in prison.
 * The sound Cub makes before he dies in Cubtron Z is reused when he's a robot, but it sounds very distorted.

Miscellaneous

 * The way Pop screams in his Smoochie in Kabob, is reused by Fliqpy in This Is Your Knife, Happy Trails Pt. 2: Jumping the Shark, Remains to be Seen, Hear Today, Gone Tomorrow, Double Whammy Part I, and Autopsy Turvy (Double Whammy Part II).
 * The way Giggles' Mom says "Bye-Bye" in Helping Helps is reused by Petunia in Just Be Clause.
 * The sounds the ants make are reused in most of the episodes they appear in. (With Blast from the Past, being an exception)
 * Either Toothy or Petunia make a high-pitched laugh at the beginning of Hide and Seek. This laugh is reused by Sniffles in Happy Trails Pt. 2: Jumping the Shark. The laugh is used by Petunia in her Smoochie.
 * The characters sing the theme song in This Is Your Knife and Happy Trails Pt. 2: Jumping the Shark. They also sing it in Happy Trails Pt. 1, but it sounds slightly different. They sing the theme song again in From A to Zoo and Take a Hike.
 * Flippy's heavy breathing in Happy Trails Pt. 2: Jumping the Shark, after swimming back on shore, is reused from Pop in Havin' A Ball.
 * The mumbling and cheering heard from the characters at the beginning of Remains to be Seen is reused in From A to Zoo at the beginning, The Wrong Side of the Tracks when Nutty, Giggles, and Sniffles enter the carnival and by Cuddles later when he is riding with Flaky, and Double Whammy Part I also at the beginning.
 * Flippy's whistling in Remains to be Seen is reused by Pop in Doggone It.
 * The cheers that the characters make when the roller coaster starts moving in The Wrong Side of the Tracks is reused in Cubtron Z when Cub sees a bus.
 * If you listen closely, one of the sounds from the suffocating characters in Wrath of Con is the same sound Pop makes when he dies in Going Out With a Bang.
 * Splendid's scream in Breaking Wind is reused by Lumpy in Spare Tire.

Music

 * The music from Spin Fun Knowin' Ya was intentionally reused in Blast from the Past.
 * The music in the beginning of Crazy Ant-ics was reused for Tongue Twister Trouble, The Way You Make Me Wheel, and Keepin' it Reel.
 * The same music plays during Sniffles' torment and death in both Crazy Ant-ics and Tongue Twister Trouble. It also plays when Nutty dies in Icy You.
 * Pop and Cub's music can be heard at the beginning of Havin' A Ball, Chip Off the Ol' Block, Snip Snip Hooray!, and Water Way to Go.
 * In Havin' A Ball, the music that plays from Pop falling in the propeller to his body parts landing on the ground is the same music that plays in Chip Off the Ol' Block during Cub's death, Snip Snip Hooray! after Cub's ear is sliced off and during his death, Class Act, when Flaky falls through the chimney, Better Off Bread when Splendid flies into space and Giggles' dies, Water Way to Go when Cub tries to drink soda, and in Remains to be Seen when Fliqpy's head starts to inflate.
 * Nutty's music plays at the beginning of Nuttin' Wrong with Candy, Nuttin' but the Tooth, Icy You, and in Remains to be Seen when all of the zombies are dead.
 * The music that starts at the beginning of Pitchin' Impossible is reused in the beginning of Mime and Mime Again, I Get a Trick Out of You, Let It Slide, YouTube Live Episode, and Claw.
 * The music that ends Pitchin' Impossible also ends Mime and Mime Again, Rink Hijinks, I Get a Trick Out of You, and Let It Slide.
 * Disco Bear's theme song can be heard in Blind Date, Hello Dolly, Ski Ya, Wouldn't Wanna Be Ya!, and Stayin' Alive.
 * The Cursed Idol's music can be heard in Treasure Those Idol Moments and Hello Dolly.
 * Its ending music is also used for both episodes, though it is extended in Hello Dolly. It's also heard in Remains to be Seen when Lumpy gets ready to fight Fliqpy with a leaf blower.
 * Russell's music plays at the beginning of Whose Line Is It Anyway?, Off the Hook, and Get Whale Soon, though it sounds slightly different in the third example. It also plays at the ending of Icy You.
 * In Whose Line Is It Anyway?, the music that plays when the blowfish inflates in Russell's throat is reused in Get Whale Soon when he tries to light the match.
 * The Halloween music that plays throughout Boo Do You Think You Are? is reused in Out of Sight, Out of Mime and Remains to be Seen.
 * The music that plays at the beginning of You're Bakin' Me Crazy is reused for the beginning of I Get a Trick Out of You.
 * The music that's plays at the beginning of Meat Me for Lunch plays at the ending of Eye Candy and the middle of Snip Snip Hooray! and Milkin' It.
 * The music that plays when Lifty and Shifty steal from the butcher shop in Meat Me for Lunch is reused in Milkin' It and Class Act.
 * The music in It's a Snap, starting when Splendid hears Lumpy, can be heard in Better Off Bread and Out on a Limb.
 * The music that plays at the beginning of Sweet Ride is reused in the beginning of Eyes Cold Lemonade.
 * The little tune that plays after Mime fixes Toothy's leg in Mime and Mime Again is reused in I Get a Trick Out of You when Cuddles revives in the ambulance and Remains to be Seen when all of the dead characters are shown at the beginning.
 * The music that plays at the beginning of Spare Me, plays at the beginning of Flippin' Burgers, Out of Sight, Out of Mime, after the screen stops panning over the Halloween scenery, and Shard at Work.
 * The music that plays when Cro-Marmot is pushed off a cliff in Snow What? That's What! is reused in Eye Candy.
 * Flippy's music is reused when he flips out in This Is Your Knife, Flippin' Burgers, and Keepin' it Reel.
 * The music in Happy Trails Pt. 1 can be heard in some scenes in Happy Trails Pt. 2: Jumping the Shark and at the beginning of Out on a Limb and A Hard Act to Swallow.
 * In Happy Trails Pt. 2: Jumping the Shark, the music that plays during Flaky's death is played in Out on a Limb.
 * The music in Enter the Garden and Books of Fury has the same music for the beginnings and fighting scenes.
 * In Concrete Solution, the music that plays when Lumpy shoots Handy with a nail gun and buries his body is reused in Going Out With a Bang when the outhouse blasts into the sky to Flaky's death.
 * The music that plays when the town explodes in Who's to Flame? is reused when Disco Bear's dies in Chew Said a Mouthful.
 * All of the music in An Inconvenient Tooth is reused from Wishy Washy,
 * The music that plays at the beginning of both episodes are the same.
 * The music that plays when Petunia looks at her dirty bathroom is reused for when Toothy is looking for something inside the shed.
 * The music that plays when Petunia sees dirty water running from under her door to the point where Lumpy groans when he can't get the glove out of her throat is reused in the scenes from Toothy filing his teeth to Lumpy emerging from the truck crash.
 * The music that plays at the beginning of A Hole Lotta Love is reused for the beginning of Going Out With a Bang.
 * The music that plays before Lumpy is hit by Lifty & Shifty's van in Concrete Solution is later reused after Nutty's death in Going Out With a Bang.
 * The music at the beginning of Chew Said a Mouthful is reused for the beginning of False Alarm.
 * The chase scenes in Chew Said a Mouthful and False Alarm use the same music.
 * Music from I've Got You Under My Skin is reused in A Handy Nanny. When Handy tries to stop Cub from crying, the music used is from the scene where Sniffles and Lumpy find Giggles buried in snow. After Handy's face is boiled, the music used is from the scene where Giggles is brought to Sniffles' house.
 * In the same episode, the music used from the ending scene of Party Animal can be heard when Pop returns home and accidentally kills Handy.
 * The music that plays when Lumpy enters his toy store in We're Scrooged! is reused for the beginning of Just Be Clause.
 * The music that plays when Lumpy notices he's run out of Toothy's body parts is reused in Just Be Clause when Splendid hands Petunia her ring.
 * The music that plays at the beginning of Wrath of Con is reused in Just Be Clause after Splendid rips off Lumpy's beard.
 * The music that plays when Splendid shoots Giggles' light saber is reused in Just Be Clause when Splendid accepts Lumpy's list.
 * The music that plays at the ending of Wrath of Con is reused for the whole scene of Splendid giving Mime his gift in Just Be Clause.
 * The same music is reused in Take Your Seat, Moppin Up, Bite Sized, Pop & Corn, Butter Me Up, Cheesy Does It and Tunnel Vision.
 * The music from the beginning of Sea What I Found is reused at the end of Youtube Copyright School.
 * The music heard during Shifty's death in Sea What I Found is later heard in False Alarm while Nutty is locked up in his cell, and in Youtube Copyright School when the narrator tells Russell he could "lose his booty" and YouTube account.

Characters

 * Splendid's body in Better Off Bread, when he's flying and carrying Giggles to the point where her eyeballs pop out is reused in See What Develops, when he flies past the flooded supermarket.
 * Mime's head from Out of Sight, Out of Mime is reused when Mime dies in Keepin' it Reel.
 * Petunia's dead body in The Wrong Side of the Tracks is reused used for her in Aw, Shucks!.
 * Cub's dead body in Concrete Solution is reused for him in Aw, Shucks!.
 * In Don't Yank My Chain, the pictures of Handy and the Mole on their ID's are images from the early seasons.
 * Cuddles, Flaky, Sniffles, and Mime's early designs are reused in Dunce Upon a Time right before Giggles crashes into their jars.
 * Mime's dead body in Wingin' It is reused when Mime dies in Junk in the Trunk.
 * Both examples of Mime's corpse were recolored and reused from Cub's dead body in As You Wish (after he is run over by the disco ball).
 * There is a generic tree friend in the audience in Wrath of Con, it is wearing a recolored version of Shifty's hat.
 * In Junk in the Trunk, Giggles' picture on Lumpy's milk carton uses her early design.

Pop-ups

 * Splendid's season one starring up is reused as a still image for his season two starring pop-up.
 * Nutty's season two starring pop-up is reused for his TV series starring pop-up and his seasons 3-4 featuring pop-up.
 * His season four starring pop is just reused from his featuring pop-up in Camp Pokeneyeout
 * Flaky, Sniffles, and Disco Bear's season two pop-ups are reused for their winter break pop-ups.
 * Handy's season 3-4 starring and featuring pop-up are the same.
 * The Mole's season 3-4 starring and featuring pop-up are the same, only his position is inverted in the latter.