11. Orbit the Genius (1974)
Orbit's career as a genius on a TV quiz show is cut short when he is stolen by a two-headed foreign agent.
Release date: 1974-11-16
Season number: 1
Episode number: 11
Runtime: 30 minutes
Cast
Rest of the cast - click here to expand
Joan Gerber - Shirley Partridge, Chuck McClendon - Keith Partridge