The Wonder Years Guest cast, played by Robert Picardo Episode 1x01: Pilot (Jan 31, 1988) Episode 1x02: Swingers (Mar 22, 1988) Episode 1x06: Dance with Me (Apr 19, 1988) Episode 2x09: Loosiers (Feb 28, 1989) Episode 2x15: Square Dance (May 2, 1989) Episode 2x17: How I'm Spending My Summer Vacation (May 16, 1989) Episode 3x02: Math Class (Oct 10, 1989) Episode 3x09: Math Class Squared (Dec 12, 1989) Episode 4x02: Ninth Grade Man (Sep 26, 1990) Episode 4x03: The Journey (Oct 3, 1990) Episode 4x08: The Sixth Man (Nov 28, 1990) Episode 4x09: A Very Cutlip Christmas (Dec 12, 1990) Episode 4x22: Graduation (May 8, 1991)
