As Alvin struggles with nightmares involving werewolves, the school play of Jekyll & Hyde is in jeopardy when the lead, Alvin, is suspended. In an attempt to boost his confidence, the principal suggests Theodore, who's suddenly going through some canine changes.

Cast:Ross Bagdasarian, Jr., Janice Karman, Maurice LaMarche, Miriam Flynn, Rob Paulsen, April Winchell,

Genre:Family, Fantasy, Comedy, Animation, Music,

country:United States of America,

Production:Bagdasarian Productions, Universal Cartoon Studios, Universal Pictures,