Actors
Linda Cardellini , Grey Griffin , Ali Hillis , Minty Lewis , Sam Marin , J.G. Quintel , Kevin Michael Richardson , William Salyers , Roger Craig Smith , Fred Tatasciore , Courtenay Taylor
About
Download Happy Birthday Song Contest Season 6 Episode 17 for free on Utubemate.com. Happy Birthday Song Contest Season 6 Episode 17, Animation, Action, Adventure, Comedy, Fantasy, Sci-Fi releasing in language. Know about TV show reviews, lead cast & crew, photos & video gallery on uTubeMate.com.
Story
Mordecai and Rigby enter into a contest that gives the winner a chance to re-create the "Happy Birthday Song".