Heidi the Hippo, star of 'The Feebles Variety Hour', discovers her lover Bletch the Walrus is cheating on her. And with all the world waiting for the big show, the assorted co-stars must contend with drug addiction, extortion, robbery, disease, Vietnam flashbacks, drug dealing, and murder.

Donna Akerstenas Samantha the Cat / The Sheep (voice)
Stuart Devenieas Sebastian / Dr. Quack / Daisy the Cow / Sandy the Chicken (voice)
Mark Hadlowas Heidi / Robert / Barry the Bulldog (voice)
Brian Sergentas Wynyard the Frog / Trevor the Rat / The Fly (voice)
Peter Vere-Jonesas Bletch / Arfur the Worm (voice)
Mark Wrightas Sid the Elephant / The Cockroach / Louie the Fish (voice)
Danny Mulheronas Heidi the Hippo (uncredited)
Doug Wrenas Bletch (voice) (uncredited)