Super Electromagnetic Machine Voltes V: Volume 19

S01E37 Farewell, Enemy Commander Heinel
February 25, 1978 TV Asahi
Voltes attacked Heinell's fortress. General Bergan betrayed Heinell and went to Gururu's side. Jangal defended the Underground Castle alone and committed suicide when he was cornered to surrender. Bergan planted a huge Magmait bomb to destroy the Earth. Heinell was forced to escape to Boazan by Kazarin.

S01E38 Take off Into the Universe!!
March 11, 1978 TV Asahi
General Doir piloted Solar Bird to save the Earth from Magmait bomb. The secret of Big Falcon was then revealed. Solar Bird docked with Big Falcon to become the flying fortress Solar Falcon. Journey to Planet Boazan began, but surely it was not going to be a smooth journey.