He is most closely associated with the science fiction series Doctor Who, having directed four serials for the programme: The Curse of Peladon (1972), The Three Doctors (1972), The Monster of Peladon (1974) and The Hand of Fear (1976).
Fear Factory | Fear Factor | Fear and Loathing in Las Vegas | Cool Hand Luke | Cape Fear River | Tony Hand | hand grenade | Fear and Loathing in Las Vegas (film) | Second Hand | Right- and left-hand traffic | Well-Founded Fear | Fear (band) | Fear | Don't Crush That Dwarf, Hand Me the Pliers | The Hand of Fear | Sudden Fear | State of Fear: The Truth about Terrorism | Slow Hand | No Fear | Learned Hand | Hand in My Pocket | Hand Built by Robots | Cradle of Fear | Cape Fear Thunder | Augustus Noble Hand | With Fear I Kiss the Burning Darkness | The Wages of Fear | The Fear Chamber | Nugan Hand Bank | Nancy Drew: Secret of the Scarlet Hand |
In the concluding scenes, Sarah Jane and the Doctor each tell the other not to forget them: this same exchange took place in The Hand of Fear, as Sarah Jane left the TARDIS for the final time until The Five Doctors.