After a high school lab experiment goes horribly wrong, Mordecai and Rigby must go back in time to battle an evil volleyball coach in order to save the universe — and their friendship.
After a high school lab experiment goes horribly wrong, Mordecai and Rigby must go back in time to battle an evil volleyball coach in order to save the universe — and their friendship.
J.G. Quintel , William Salyers , Sam Marin
Paula Spence
Cartoon Network Studios ,
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as Mordecai / Hi-Five Ghost (voice)
as Rigby (voice)
as Benson / Pops / Muscle Man (voice)
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