The Tenth Doctor and Martha Jones set off on an adventure through space to find the datachips to unlock The Infinite, a huge spaceship that can grant people their heart's desire. However, the evil Baltazar is also searching for the ship.
| Creator | Sydney Newman |
|---|---|
| Actor | Jodie Whittaker, Mandip Gill, John Bishop |
| Country | Canada, United Kingdom |
| Production | BBC Cymru Wales |