A lethal booby-trap in the Hydroponic Center awakens the genetically engineered fruit pods in storage, and passengers and crewmen alike start disappearing without trace. There's a murderer on board and the Doctor means to find out who he or she is. Written by
Did You Know?
Features two actors who later appeared in the 21st century series Extra Robert Goodman who has a speaking role in listen. Mike Mungaravan was a extra in David Tennant first story. See more
How long have you known this woman?
Uh, time is a comparative concept, Commodore.
Not now, Doctor. Just answer the question.