Tom Poston and Fred Willard in D.C. Follies (1987)

Jennifer Finnigan and Tom Poston in Committed (2005)

Tom Poston and Josh Cooke in Committed (2005)

Julia Duffy, Mary Frann, Bob Newhart, Tony Papenfuss, Tom Poston, William Sanderson, and Peter Scolari in Newhart (1982)

Megan Mullally and Tom Poston in Will & Grace (1998)

Fred Clark and Tom Poston in Zotz! (1962)

Fred Clark, Julia Meade, and Tom Poston in Zotz! (1962)

Ellen DeGeneres and Tom Poston in The Ellen Show (2001)

Beth Howland and Tom Poston in Alice (1976)

Robin Williams, Robert Donner, and Tom Poston in Mork & Mindy (1978)

Pam Dawber and Tom Poston in Mork & Mindy (1978)

David Letterman and Tom Poston in Mork & Mindy (1978)

(l to r) Austin Pendleton, Tom Poston, Patrick Breen, Dan Aykroyd, Cheech Marin, Jake Busey

Topher Grace, Tom Poston, Laura Prepon, and Betty White in That '70s Show (1998)

David Carlile, Bob Newhart, and Tom Poston in Newhart (1982)

George Clooney, Suzanne Pleshette, and Tom Poston

Kevin Spacey, Suzanne Pleshette, and Tom Poston

Tom Poston in Murphy's Laws of Golf (1989)

Tammy Lynn Michaels, Jennifer Finnigan, Darius McCrary, Tom Poston, and Josh Cooke in Committed (2005)

Bob Newhart and Tom Poston in Newhart (1982)

Mary Frann, Jennifer Holmes, Steven Kampmann, Bob Newhart, and Tom Poston in Newhart (1982)