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Appearances
The Piglet Files
Guest cast, played by Michael Percival
- Episode 1x01: A Question of Intelligence (Sep 7, 1990)
- Episode 1x02: Fair Exchange (Sep 14, 1990)
- Episode 1x03: A Room with a View (Sep 21, 1990)
- Episode 1x04: The Ice Man Cometh (Sep 28, 1990)
- Episode 1x05: The Beagle Has Landed (Oct 5, 1990)
- Episode 1x06: Now You See It (Oct 12, 1990)
- Episode 1x07: A Private Member's Bill (Oct 19, 1990)
- Episode 2x01: The Wright Stuff (May 3, 1991)
- Episode 2x02: Red Spy at Night (May 10, 1991)
- Episode 2x03: Piglet in a Trough (May 17, 1991)
- Episode 2x04: The Wrong Combination (May 24, 1991)
- Episode 2x05: Trouble with Reception (May 31, 1991)
- Episode 2x06: The Hunt for Red Decoder (Jun 7, 1991)
- Episode 2x07: Under Cover Activity (Jun 14, 1991)
- Episode 3x01: Guerillas in the Mist (Mar 29, 1992)
- Episode 3x02: Sweet and Sour Piglet (Apr 5, 1992)
- Episode 3x03: Sex, Spies and Videotape (Apr 12, 1992)
- Episode 3x04: In Which We Serve (Apr 19, 1992)
- Episode 3x05: The Plane Truth (Apr 26, 1992)
- Episode 3x06: Under New Management (May 3, 1992)
- Episode 3x07: With Friends Like These (May 10, 1992)