The Doctor and Ace head for the Psychic Circus on the planet Segonax, where they meet a disparate group of performers and visitors, including a self-centred explorer named Captain Cook, his companion Mags and a biker known as Nord.

• BBC
• Sylvester McCoy
• Sophie Aldred
• T. P. McKenna
• Jessica Martin
• Ian Reddington
• Christopher Guard
• Dee Sadler
• Chris Jury