The Three Stooges (Moe, Larry & Curly) are witnesses at a trial where their friend, a dancer at a nightclub where they are musicians, is accused of murder. The stooges, along with the Powerpuff Girls Z and the Chipmunks, manage to disrupt the proceedings but save the day when they discover the real murderer's identity.
The Powerpuff Girls Z: Blossom, Bubbles & Buttercup
The Chipmunks: Alvin, Simon & Theodore
The Three Stooges: Moe, Larry & Curly