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

Mordecai / Hi-Five Ghost (voice)

William Salyers

Rigby (voice)

Sam Marin

Benson / Pops / Muscle Man (voice)

Mark Hamill

Skips (voice)

👤

Minty Lewis

Eileen (voice)

Jason Mantzoukas

Mr. Ross (voice)

David Koechner

Principal Dean (voice)

Roger Craig Smith

Jablonski / Frank Smith / Fast Food Guy (voice)

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