Episode Title: Smith and Jones

Duration: 44 minutes and 26 seconds

Written by: Russell T Davies

Directed by: Charles Palmer

Transmission Date: 31st March 2007

Ratings: 8.7 million

Synopsis: David Tennant returns to his role as the Doctor and meets his brand-new companion in the highly anticipated third series of Russell T Davies's Doctor Who. For Martha Jones, a medical student in Central London, an ordinary day turns into a nightmare when her entire hospital is transported to the Moon. There, she has to battle the Judoon and outwit a blood-sucking Plasmavore – but can she trust a mysterious stranger called the Doctor?

Cast List: The Doctor — David Tennant
Martha Jones — Freema Agyeman
Florence Finnegan — Anne Reid
Mr. Stoker — Roy Marsden
Francine Jones — Adjoa Andoh
Tish Jones — Gugu Mbatha-Raw
Leo Jones — Reggie Yates
Clive Jones — Trevor Laird
Annalise — Kimmi Richards
Oliver Morgenstern — Ben Righton
Julia Swales — Vineeta Rishi
Judoon Captain — Paul Kasey
Judoon Voices — Nicholas Briggs