Set in the modern age, the tenth Doctor (David Tennant) and Martha, played by Freema Agyeman, attend the latest experiment by the acclaimed Professor Lazarus (Mark Gatiss), who successfully reverses his own ageing process. Entering his machine as an elderly man, the professor steps out with his body rejuvenated and youthful, but the transformation doesn’t stop there. Soon after, Lazarus morphs into a hideous creature that drains its victims of their life energy, and only the Doctor and Martha can stop him!

 First Broadcast: BBC One, 5^th May 2007

Written by: Stephen Greenhorn

Directed by: Richard Clark

​Returning to New Earth, the tenth Doctor, played by David Tennant, and Martha (Freema Agyeman), find themselves separated on a sprawling futuristic motorway. While trying to catch up with his kidnapped companion, the Doctor begins to unravel the mystery surrounding the never-ending gridlock, with the help of an old friend, the Face of Boe! But criminals and car accidents aren’t the only things standing in the Doctor’s way, as the giant, crab-like monsters known as the Macra are revealed to live beneath the floating traffic jam.

First Broadcast: BBC One, 14th April 2007
Written by: Russell T Davies
Directed by: Richard Clark

A woman in a wedding dress walks into the TARDIS – no, there’s no punchline, it’s the exciting opening to this 2006 Christmas Special. In Donna Noble’s (Catherine Tate) inaugural episode, the Tenth Doctor (David Tennant) has to solve the mysterious huon poisoning of this misplaced bride. What was supposed to be the happiest day of her life, turns into betrayal, time travel and battling the Empress, and ends in an offer to accompany the Doctor on his travels. An offer she declines…for now.

First Broadcast: BBC One, 25^th December 2006

Written by: Russell T Davies

Directed by: Eros Lyn