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Appearances
The XYY Man
Main cast, played by Dennis Blanch
- Episode 1x01: The Proposition (Jul 3, 1976)
- Episode 1x02: The Execution (Jul 10, 1976)
- Episode 2x01: Friends and Enemies (Jun 27, 1977)
- Episode 2x02: The Missing Civil Servant (Jul 4, 1977)
- Episode 2x03: The Big Bang (Jul 11, 1977)
- Episode 2x04: At the Bottom of the River (Jul 18, 1977)
- Episode 2x05: When We Were Very Greedy (Jul 25, 1977)
- Episode 2x06: Now We Are Dead (Aug 1, 1977)
- Episode 2x07: Whisper Who Dares (Aug 8, 1977)
- Episode 2x08: Law and Order (Jul 15, 1977)
- Episode 2x09: The Detrimental Robot (Aug 22, 1977)
- Episode 2x10: A View to a Death (Aug 29, 1977)