The Hitchhiker's Guide to the Galaxy Main cast, played by David Dixon Episode 1x01: Episode 1 (Jan 5, 1981) Episode 1x02: Episode 2 (Jan 12, 1981) Episode 1x03: Episode 3 (Jan 19, 1981) Episode 1x04: Episode 4 (Jan 26, 1981) Episode 1x05: Episode 5 (Feb 2, 1981) Episode 1x06: Episode 6 (Feb 9, 1981)