Star Blazers: The Quest for Iscandar: Part 5 (1980)

Every day of the Star Force's journey brings them closer to Planet Balan, the halfway point on their long journey to Iscandar…and the home of a strategic Gamilon base commanded by the fearsome General Lysis! As the distance from Earth increases, so does the urge for some to return, despite the urgent need to obtain the Cosmo DNA machine that will cleanse Earth of its radioactive poisons. But Lysis is preparing a master plan that will stop the Argo cold - and all of tier cares forever!