The Master, in the guise of Professor Thascalos, has constructed at the Newton Institute in Wootton a device known as TOMTIT - Transmission Of Matter Through Interstitial Time - to gain control over Kronos, a creature from outside time. The creature is summoned but proves to be uncontrollable.
Doctor Who: The Time Monster (1972) is currently not available on any services.
Jon Pertwee , Katy Manning , Roger Delgado , Nicholas Courtney , Richard Franklin , John Levene
Paul Bernard
BBC