
First aired
December 24, 1999
Canceled
Avg. episode: 4m

This action and adventure comedy is drawn in simple appearance and combines cute forest animals with extreme graphic violence. Each episode revolves around the characters enduring accidental events of bloodshed, pain, dismemberment and/or death.
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Smoochies are videos of individual characters on Happy Tree Friends dying in different and unusual ways. Usually they involve a prop being used in an unlikely and deadly way. Each Smoochie includes one character that can be given something from three options, all of which resulting in the character dying. After a few seconds of inactivity, the character will do an idle action, such as laugh or say hello.

Season 6. Breaks are short 1-minute or less episodes that act as shortened Happy Tree Friends episodes (The graphics and animation are similar to that from the first to second seasons of the Web series because they were originally intended for G4 in 2005 but were rejected).

Season 7. Love Bites are Valentine's Day-themed short episodes featuring romantic relationships between two characters (male and female), that eventually go wrong with one or both members of the couple getting injured and/or dying. Just like with Kringles, each Love Bite contains a message that it's related to the theme of the short.

Season 9. A spin-off about Flippy, Splendid, and Buddhist Monkey starring in an action series. Flippy stars in W.A.R. (Weapon Animal Regiment) Journal. Splendid appears in Splendid's SSSSSuper Squad. Buddhist Monkey returns to star in more new episodes. The Mole was listed as a character, but he doesn't appear to have a connection with Ka-Pow! now, and, as a note, his episode, Mole in the City, debuted way before Ka-Pow! even existed


Kringles are special short holiday messages (set during Christmas) released as parodies of typical animated greeting cards. There are currently ten Kringles.

Mar 15, 2019

Oct 29, 2021

May 8, 2020

May 21, 2021

Dec 10, 2024

Sep 24, 2023

Sep 21, 2014

Dec 5, 2024

Sep 28, 2008

Sep 29, 2017

Nov 17, 2023

Aug 4, 2022

Apr 1, 2003

Dec 10, 2021