Super Electromagnetic Machine Voltes V: Volume 20

Included herein:

S01E39 The Great Battle of Boazan
March 18, 1978 TV Asahi
Voltes arrived in Boazan after successfully escaping Sodom and Gomorrah and the double-ring storm. Rebel slaves began the revolution causing civil war in Boazan. A fight with Zantan Commando Ships sealed the fate of General Bergan and Gururu. Meanwhile Prince Heinell was recovered from his sleep after he was shot by Kazarin with tranquilizer. He insisted to fight Voltes until the end.

S01E40 The Evil Tower Crumbles!!
March 25, 1978 TV Asahi
An attemp to murder Prince Heinell was disrupted by Kazarin, but she was shot and died in Heinell's arms. The trio Gou brothers finally met their father. The Boazanian legend said that The Protector God of Boazan, Godor, will defend Boazan if there's a Boazanian that loves Boazan so much that he is willing to sacrifice himself by jumping into the flame on the right hand of the statue of Godor. The desperate Prince Heinell then was moved to sacrifice himself into Godor's flame but it turned out that Godor statue was actually a robot. Fight between Voltes and Godor was unavoidable. Duel between Kenichi and Heinell soon followed. There, the secret of Heinell's origin was revealed by a dagger. Dr. Gou realized Heinell was his son from Rosalia, wis wife. Emperor Zu Zanbajir went mad and was killed by Heinell. An explosion separated Heinell from his long lost family. The battle was over and Voltes flew back to Earth.

Remember in the English dubbed version all titles and names are different.