The Armageddon Factor

The Armageddon Factor is the sixth and final serial of the 16th season in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 20 January to 24 February 1979. It is the last story in The Key to Time arc, and the last to feature Mary Tamm as Romana. It also marks the temporary departure of John Leeson's voice as K-9.

The Armageddon Factor

The Armageddon Factor is the sixth and final serial of the 16th season in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 20 January to 24 February 1979. It is the last story in The Key to Time arc, and the last to feature Mary Tamm as Romana. It also marks the temporary departure of John Leeson's voice as K-9.