William Russell (Ian Chesterton), Gus Brown (Ashman)
The TARDIS has landed on Platform Five, a floating city in the sky of the planet Jobis, and for a time the Doctor, Ian, Barbara and Vicki get the chance to enjoy this idyllic place.
And then the Rocket Men arrive, led by the sadistic Ashman.
When the only other option to certain death is suicide, Ian Chesterton takes the gamble of his life...
(Duration: 60' approx)