Board Thread:General Discussion/@comment-4241330-20190531013426/@comment-26664906-20190627022009

Proof: http://web.archive.org/web/*/http://ugo.com:80/channels/animation/mondo/shows/happy_tree_friends/*

It lists all of the directories on the HTF webpage over at UGO. The oldest episode page is Nuttin' Wrong With Candy, January 24, 2001. If you check the directory list of the Mondo site in 2000, you will also see that HTF didn't appear until 2001. web.archive.org/web/*/http://mondominishows.com/*