with 41 episodes premiered on August 6, 1977

with 26 episodes premiered on October 1, 1979

In the year 2199, a starship must make a dangerous voyage to the distant planet Iscandar and back to save Earth from an alien invasion.

with 26 episodes premiered on October 14, 1978

In the year 2202, a restored Earth faces a new threat: The Comet Empire, bent on conquest of the universe i sheading straight to Earth.

with 25 episodes premiered on October 11, 1985