The pilot episode created around 1999 featured early versions of Lumpy, Giggles, Cuddles, and Toothy. A dinosaur plays a banjo, while a squirrel, rabbit, and beaver sit down and watch. One of the dinosaur's banjo strings breaks, making the onlookers laugh. Enraged, the dinosaur decapitates the squirrel, vertically slices the rabbit in half, and decapitates the beaver. All of a sudden, the beaver's severed head comes back to life and bites the dinosaur's leg, causing the dinosaur to scream in pai
An animated short film featuring the character Cro-Marmot in prehistoric times. It features him eating a dead dinosaur. However, he mistakenly bites on the tail of a living tyrannosaurus. The angry tyrannosaurus then proceeds to attack Cro-Marmot by tearing him to shreds. Cro-Marmot escapes but then gets eaten by a giant pterodactyl.
Lumpy makes an instructional video for new members of the ski patrol.
Several characters are seen inside a crane machine prize game. Cuddles is picked up but falls down. He is later brought back up, but the crane violently trashes his body inside the machine, until he eventually dies. The remaining characters panic and frantically try to escape out of the crane machine.
A Fall Out Boy music video featuring Happy Tree Friends characters. Cuddles attempts to express his love to Giggles, however, Lumpy gets in the way and ends up killing everyone (including himself).
A reporter interviews Cro-Marmot. She asks questions to him, but all to no response due to Cro-Marmot being frozen. They then run out of time, and as the credits roll, the reporter fumes over getting no response, even swearing at the crew.
An episode made for the Happy Tree Friends: False Alarm video game. After getting impaled by a truckload of candy canes due to his candy addiction, Nutty is sent to the hospital. He is then sent to an asylum, where he eventually recovers from his addiction. Lifty and Shifty, who Nutty had bought the truckload of candy from, attempt to sell him more candy, but Nutty rejects. They then offer to sell him a video game, which he buys. He eventually becomes addicted to video games, but his game consol
Lumpy sits on a rocking chair, knitting a warmer for his antlers.
A documentary on Happy Tree Friends.
An interactive video featuring Nutty and Lumpy playing milk pong.
An interactive video featuring Lumpy performing a lame card trick.
Russell learns about the dangers of copyright infringement.
Cuddles, Giggles, Toothy, and Lumpy sing O Tannenbaum.
Disco Bear, Cuddles, and Giggles hang out in a swimming pool until Flippy electrocutes them to death with a toaster.
Pop revives Cub by putting his brain into a giant robot after his son gets killed by a street sweeper.