Blankety Blank Guest cast, played by Dave Lee Travis Episode 7x17: Show 17 (Jan 25, 1985) Episode 8x01: Show 1 (Sep 6, 1985) Episode 9x04: Show 4 (Sep 26, 1986) Episode 10x06: Show 6 (Oct 23, 1987) Episode 11x07: Show 7 (Nov 4, 1988) Episode 12x06: Show 6 (Oct 12, 1989) Episode 12x17: Show 17 (Feb 5, 1990)