| Doctor Who: The Krotons | 1969 | Writer |
| Doctor Who: The Space Pirates | 1969 | Writer |
| Doctor Who: Spearhead from Space | 1970 | Writer |
| Doctor Who: Terror of the Autons | 1971 | Writer |
| Doctor Who: The Time Warrior | 1974 | Writer |
| Doctor Who: The Ark in Space | 1975 | Writer |
| Doctor Who: Pyramids of Mars | 1975 | Writer |
| Doctor Who: The Brain of Morbius | 1976 | Writer |
| Doctor Who: The Deadly Assassin | 1976 | Writer |
| Doctor Who: The Ribos Operation | 1978 | Writer |
| The Future | 1978 | Writer |
| Fothergill | 1981 | Writer |
| Doctor Who: The Two Doctors | 1985 | Writer |
| Doctor Who: The Mysterious Planet | 1986 | Writer |
