We are not sure of the release date for Third Girl. It was released at the box office on 2008-09-15 so we estimate it was released to DVD in December 2008.
Director: Dan Reed
Cast: Jemima Rooper, Clemency Burton-Hill, David Suchet, Zoë Wanamaker, and David Yelland
After a seemingly neurotic young heiress tells Ariadne Oliver and Poirot that she thinks she may have killed someone, her ex-nanny is found with her wrists slashed