With Vicki trapped on board the Dalek time machine, the Doctor, Ian and Barbara decide to make their stand on the planet Mechanus.
Did You Know?
This is one of only two occasions in which the technically incorrect name 'Doctor Who' is used in an on-screen title (the other occasion being the seven episodes of Doctor Who and the Silurians in 1970). See more
The Daleks clone of the doctor is less than successful as in many shots it's not William Hartnell it's a double Edmund Warwick. See more
They now know who's Who!