During his time on Doctor Who, he directed six serials, including three fondly-remembered adventures The Sea Devils, The Green Death and his personal favourite The Robots of Death, which was also his last involvement with the series.
Black Sea | Mediterranean Sea | Baltic Sea | North Sea | Red Sea | Caspian Sea | Caribbean Sea | Adriatic Sea | New Jersey Devils | Aegean Sea | South China Sea | Sea of Japan | Irish Sea | Westland Sea King | Dead Sea | Arabian Sea | Tyrrhenian Sea | Southend-on-Sea | East China Sea | Ionian Sea | Bering Sea | White Sea | Kara Sea | First Sea Lord | Manly-Warringah Sea Eagles | Dead Sea Scrolls | British Sea Power | Tasman Sea | Sea Islands | Great Big Sea |
He appeared in Doctor Who again in the 1972 serial The Sea Devils with Jon Pertwee.
The 1972 Doctor Who serial The Sea Devils used the fort as a filming location for several scenes.