20. Target: Earth (1969)
Mark is roped into helping two giant scientists build a spaceship that can return them all to Earth.
Release date: 1969-03-02
Season number: 1
Episode number: 20
Runtime: 60 minutes
Director: Sobey Martin
Writer: Arthur Weiss
Guest stars
Cast
Rest of guest stars - click here to expand
Denver Mattson - Sergeant, Ivan Markota - Sergeant