The Unicorn And The Wasp

Episode Title:
The Unicorn and The Wasp

Written By:
Gareth Roberts

Starring:
David Tennant - Doctor
Catherine Tate - Donna Noble

Alien:
Wasp

Air Date:
17th May 2008

Synopsis:
In 1926, Agatha Christie disappeared for 10 days. Was it amnesia? A nervous breakdown? Or a Giant Alien Wasp..? As Russell T Davies's Bafta Award-winning time-travelling drama continues, the Doctor and Donna join forces with the world's most famous crime novelist to encounter a body in the library, poisoned cocktails and a Vespiform seeking revenge.