Blankety Blank Guest cast, played by Mollie Sugden Episode 1x12: Show 12 (Apr 12, 1979) Episode 7x10: Show 10 (Nov 23, 1984) Episode 7x16: Show 16 (Jan 18, 1985) Episode 8x17: Christmas Special (Dec 27, 1985) Episode 11x11: Show 11 (Dec 9, 1988) Episode 12x17: Show 17 (Feb 5, 1990)