High Quality Content by WIKIPEDIA articles! This is a list of the Happy Tree Friends Internet and TV episodes where there have been 3 seasons for the Internet shorts and 13 episodes for the first season of the TV series about each half-hour episode split into three seven-minute segments giving the first TV season 39 effective episodes, after the end of the first television season there had been discussions by the creators of a second season over but Ken Pontac confirmed that a second TV season is not currently being worked on and since the TV series has been cancelled and a spin-off called Ka-Pow! debuted on September 2008.