Doctor Who: The Claws of Axos

(1971)

Writer

Doctor Who: The Mutants

(1972)

Writer

Doctor Who: The Three Doctors

(1973)

Writer

Doctor Who: The Sontaran Experiment

(1975)

Writer

Machinegunner

(1976)

Writer

Doctor Who: The Hand of Fear

(1976)

Writer

Doctor Who: The Invisible Enemy

(1977)

Writer

Doctor Who: Underworld

(1978)

Writer

Doctor Who: The Armageddon Factor

(1979)

Writer

Succubus

(1987)

Writer

Unreported Incident

(1988)

Writer

Machinegunner

(1976)

Scruff

K9 Unleashed

(2000)