Blankety Blank Guest cast, played by David Jacobs Episode 2x01: Show 1 (Sep 6, 1979) Episode 2x15: Show 15 (Dec 13, 1979) Episode 3x13: Show 13 (Nov 27, 1980) Episode 4x01: Show 1 (Sep 3, 1981) Episode 7x21: Show 21 (Feb 26, 1985) Episode 7x22: Show 22 (Mar 5, 1985) Episode 8x01: Show 1 (Sep 6, 1985)