Voltes V - Season 1 Episode 37 Farewell, My Enemy Commander Heinell (Saraba! Teki Shireikan HAINERU- さらば!敵総司令官ハイネル)
Overview: 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.