In this animated adventure The Doctor and Martha Jones trek through space and time in a race against the galaxy's greatest despot, Balthazar, to follow a complex trail of clues to discover the location of the legendary lost spaceship, the Infinite, which, according to myth, can grant anybody their heart's desire.

• BBC
• David Tennant
• Freema Agyeman
• Anthony Stewart Head
• Toby Longworth
• Liza Tarbuck
• Tom Farrelly
• Lizzie Hopley
• Paul Clayton