Beebo is forced to defend himself against Rega, the king of the jungle, and manages to kill him. Beebo proclaims himself king. He, Fleet, and Cheeta are soon attacked by Wapun the python and they have a terrific battle, interrupted by Raeg, Rega's son, looking for vengeance. Wapun manages to kill Raeg and declares himself king. Beebo challenges Wapun.; While out of a date, Wasplet's date is kidnapped by a mysterious cat-like creature and taken to the laboratory of Dr. Zandricks, who injects her with a serum he has created that can turn people into animals. But when the Wasp makes an ally of a "beaver-man", the creatures that hate the doctor turn on him and kill him!