Beast Machines is an animated television series produced by Mainframe Entertainment and distribuited by Universal Pictures that was a direct sequel to Beast Wars and is a television series to take place within the continuity of the original Transformers series. The cause of much controversy among the fanbase, the show ran for two seasons, airing on YTV and Fox Kids from 1999 to 2000. Of the Transformers animated series produced in North America, Beast Machines was the only one to have been completely conceptualized and outlined in advance, lending it a more serialized and linear storyline than the others. The Beast Machines intro theme was "Phat Planet", by Leftfield.