Episode Title:The Enemy Within.Episode Description:Tarzan and Terk find an injured gorilla named Gobu, who was attacked by hyenas and unaware that he is under orders from his leader to lure Tarzan back to Gobu's family. Once the injured gorilla is better, he and Tarzan embark on the long journey to Gobu's home, only to find Tublat, the aggressive bull ape who was banished from Kerchak's family many years before and has killed the group's original leader, lies in wait. Meanwhile, Jane and Professor Porter attempt to teach Terk to be more lady-like to impress Gobu.