In this completely TARDIS-based story, the crew find themselves and their ship acting very strangely indeed. Blame runs high for the Ship's unusual behavior, until the Doctor realizes the TARDIS itself may be trying to warn them...

Cast:William Hartnell, William Russell, Jacqueline Hill, Carole Ann Ford,

Genre:Drama, Science Fiction, Action, Adventure, TV Movie,

country:United Kingdom,

Production:BBC,