Doctor Who

Season 4, Episode 7

Episode Title: The Unicorn and the Wasp

Air Date: 2008-05-17

Overview:

The Doctor and Donna's meet Agatha Christie at a manor owned buy Lady Eddison. When Agatha Christie goes missing and a body turns up in the library the adventure turns into a pulp sci-fiction murder mystery, with a murder, a jewel thief, and a wasp alien. Can they solve the mystery?