Season 1
- 1The Imposter11 Dec 1960
- 2Sabotage in Space18 Dec 1960
- 3The Hostage25 Dec 1960
- 4Lichens!1 Jan 1961
- 5Zero Hour on the Red Planet8 Jan 1961
- 6Falling Into the Sun15 Jan 1961
One of ITV's earliest dramas written specifically for children and a precursor to the development of Doctor Who. Pathfinders to Mars is the second of three series; the others were Pathfinders in Space and Pathfinders to Venus.