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The TARDIS picks up a distress call and the Doctor and Sarah arrive on the planet Zeta Minor. There they discover that a Morestran geological expedition has fallen prey to an unseen killer and only the leader, Professor Sorenson, remains alive.

Hot on the heels of the acclaimed third series, Doctor Who returns for a fourth instalment with a familiar face alongside the Doctor. Award-winning comedienne Catherine Tate returns as the Doctor's new companion, revisiting her role as Donna Noble who featured in the 2006 Christmas special The Runaway Bride. Martha Jones - who left the Doctor at the end of Series Three to break the unrequited circle of love she felt for him - will also return. Episodes Comprise: Partners In Crime The Fires Of Pompeii Planet Of The Ood

Animated spin-off of the new series 'Doctor Who', featuring the voices of real-life stars David Tennant and Freema Agyeman. The Doctor (Tennant) and Martha Jones (Agyeman) 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 (Anthony Head) is also searching for the ship...