Acting

2023

(3 episodes) as Self / Galactic Leader (archive footage)

2022

(1 episode) as Self (archive footage)

2021

(1 episode) as Self (archive footage)

2018

(1 episode) as Self (archive footage)

2013

(22 episodes) as Simon Roberts

2012

(1 episode) as Self

2011

(1 episode) as Dr. Eddy

2010

(1 episode) as Robin

2009		The Jay Leno Show (1 episode) as Self
2009		Alan Carr: Chatty Man (1 episode) as Self

2008

(1 episode) as Himself

2007		Shrink Rap (1 episode) as Himself
2007		The Graham Norton Show (2 episodes) as Self

2006

(1 episode) as Himself

2005		Sit Down Comedy with David Steinberg (1 episode) as Himself
2005		Mind of Mencia (1 episode)
2005		The Late Late Show with Craig Ferguson (1 episode) as Self

2003		The Ellen DeGeneres Show (3 episodes) as Self
2003		Celebrities Uncensored (1 episode) as Self
2003		Real Time with Bill Maher (2 episodes) as Self
2003		Jimmy Kimmel Live! (3 episodes) as Self

2002		Life with Bonnie (1 episode) as Kevin Powalski
2002		American Idol (1 episode) as Ivan 'Bob' Poppanoff the 'Russian Idol'

2001

(2 episodes) as Self

1999		The Early Show (1 episode) as Self
1999		Law & Order: Special Victims Unit (1 episode) as Merritt Rook
1999		Teen Choice Awards (1 episode) as Self - Nominee: Comedian
1999		SpongeBob SquarePants (1 episode)

1998		L.A. Doctors (1 episode) as Hugo Kingsley
1998		Hollywood Squares (3 episodes) as Self - Panelist
1998		Whose Line Is It Anyway? (1 episode) as Himself

1997		The View (1 episode) as Self
1997		Great Minds Think for Themselves (13 episodes) as Genie (voice)

1996		Clive Anderson All Talk (1 episode) as Self
1996		The Daily Show (2 episodes) as Self

1994		Friends (1 episode) as Tomas (uncredited)
1994		Inside the Actors Studio (1 episode) as Self

1993		Late Night with Conan O'Brien (4 episodes) as Self - Guest
1993		Homicide: Life on the Street (1 episode) as Robert Ellison

1992		Terry Wogan's Friday Night (1 episode) as Self
1992		The Larry Sanders Show (2 episodes) as Robin Williams
1992		The Tonight Show with Jay Leno (6 episodes) as Himself

1989

(1 episode) as Dr. J. Loren Pryor (voice) (as Doug Hill)

1988

(1 episode) as Himself

1986		American Masters (1 episode) as Self
1986		Comic Relief (8 episodes) as Himself - Host

1982		The Mork & Mindy / Laverne & Shirley / Fonz Hour (1 episode) as Mork (voice)
1982		Faerie Tale Theatre (1 episode) as The Frog / Prince Robin
1982		Wogan (1 episode) as Self
1982		The Billy Crystal Comedy Hour (1 episode) as Himself

1979

(1 episode) as Mork

1978

(95 episodes) as Mork

1977		The Richard Pryor Show (5 episodes) as Various
1977		Laugh-In (2 episodes) as Regular Performer (6 episodes)
1977		Eight Is Enough (1 episode) as The Circuit Breakers Member

1975

(3 episodes) as Self - Host (1 episode) as Self - Cameo (uncredited)

1974

(2 episodes) as Mork

1969

(1 episode) as Himself

1962

(3 episodes) as Self

1959

(1 episode)

1956

(1 episode) as Self - Presenter

1953

(7 episodes) as Self

1952

(2 episodes) as Self

Creator

—

… Creator

Directing

1978

(1 episode) … Director