| 2024 | Group TherapyMovie | Self (archive footage) | 87 |
| 2024 | Daytime RevolutionMovie | Self (archive footage) | 87 |
| 2024 | Stand-Up: The Laughing TherapySeries | Self (archive footage) | 87 |
| 2022 | George Carlin's American DreamSeries | Self (archive footage) | 85 |
| 2022 | Behind the Shield: The Power and Politics of the NFLMovie | Self (archive footage) | 85 |
| 2020 | Bill & Ted Face the MusicMovie | Rufus Hologram (archive footage) | 83 |
| 2020 | Out of ShadowsMovie | Self (archive) | 83 |
| 2019 | I Am Richard PryorMovie | Self - Actor and Comedian (archive footage) | 82 |
| 2016 | The Last LaughMovie | Self (archive footage) (uncredited) | 79 |
| 2016 | Too Hip for the Room: The Righteous Reign of Lord BuckleyMovie | Self | 79 |
| 2013 | The Improv: 50 Years Behind the Brick WallMovie | Self (archive footage) | 76 |
| 2012 | Owned & OperatedMovie | George Carlin | 75 |
| 2010 | Monster Truck MaterMovie | Filmore (voice) | 73 |
| 2010 | Heavy Metal MaterMovie | Filmore (voice) (archive sound) | 73 |
| 2009 | Unidentified Flying MaterMovie | Fillmore (archive voice) | 72 |
| 2008 | Cars Toon Mater's Tall TalesMovie | Filmore / Additional Voices (voice) | 71 |
| 2008 | Zeitgeist: AddendumMovie | Self (voice) (archive footage) | 71 |
| 2008 | George Carlin: It's Bad for Ya!Movie | Self | 71 |
| 2008 | History of the JokeMovie | Self | 71 |
| 2007 | Happily N'Ever AfterMovie | Der Zauberer (voice) | 70 |
| 2007 | Cutting Edge Comedians of the '60s & '70sMovie | Self (archive footage) | 70 |
| 2006 | CarsMovie | Fillmore (voice) | 69 |
| 2006 | The N WordMovie | Self | 69 |
| 2005 | The AristocratsMovie | Self | 68 |
| 2004 | Jersey GirlMovie | Bart Trinke | 67 |
| 2004 | Oh, What a Lovely Tea PartyMovie | Self | 67 |
| 2003 | Scary Movie 3Movie | Architect | 66 |
| 2003 | Real Time with Bill MaherSeries | Self - Guest | 66 |
| 2002 | The Ultimate Collection Starring Johnny Carson - The Best of the 60s and 70sMovie | — | 65 |
| 2001 | Jay and Silent Bob Strike BackMovie | Hitchhiker | 64 |
| 2001 | The Firesign Theatre: Weirdly CoolMovie | Self | 64 |
| 1999 | DogmaMovie | Cardinal Glick | 62 |
| 1998 | Jerry Seinfeld: I'm Telling You for the Last TimeMovie | Self | 61 |
| 1997 | The ViewSeries | Self | 60 |
| 1997 | Honey, We Shrunk OurselvesMovie | Man (uncredited) | 60 |
| 1997 | The Chris Rock ShowSeries | Self | 60 |
| 1996 | The Daily ShowSeries | Self - Guest | 59 |
| 1995 | MADtvSeries | Mr. Conductor | 58 |
| 1995 | Shining Time Station: Second ChancesMovie | Mr. Conductor | 58 |
| 1995 | Shining Time Station: Once Upon a TimeMovie | Mr. Conductor | 58 |
| 1995 | Streets of LaredoSeries | Billy Williams | 58 |
| 1994 | Inside the Actors StudioSeries | Self | 57 |
| 1992 | The Tonight Show with Jay LenoSeries | Self | 55 |
| 1991 | Bill & Ted's Bogus JourneyMovie | Rufus | 54 |
| 1991 | The Prince of TidesMovie | Eddie Detreville | 54 |
| 1990 | Working Tra$hMovie | Ralph Sawatzky | 53 |
| 1990 | Comic Relief '90Movie | Self | 53 |
| 1989 | The SimpsonsSeries | Munchie (voice) | 52 |
| 1989 | Bill & Ted's Excellent AdventureMovie | Rufus | 52 |
| 1988 | Justin CaseMovie | Justin Case | 51 |
| 1987 | Outrageous FortuneMovie | Frank Madras | 50 |
| 1986 | George Carlin: Playin' with Your HeadMovie | Self / Mike Holder | 49 |
| 1986 | TV's Funniest Comedians - 14 Stars Do Classic RoutinesMovie | Self | 49 |
| 1985 | Apt. 2CMovie | Self | 48 |
| 1980 | FridaysSeries | Self | 43 |
| 1979 | AmericathonMovie | Narrator | 42 |
| 1977 | The People's Command Performance: '77Movie | Self | 40 |
| 1975 | Saturday Night LiveSeries | Self - Host | 38 |
| 1975 | The Smothers Brothers ShowSeries | — | 38 |
| 1974 | Dinah!Series | Self | 37 |
| 1973 | The Burns and Schreiber Comedy HourSeries | — | 36 |
| 1972 | The Midnight SpecialSeries | Self | 35 |
| 1972 | Dick Clark's New Year's Rockin' Eve with Ryan SeacrestSeries | Self | 35 |
| 1970 | The Flip Wilson ShowSeries | Self | 33 |
| 1968 | The Dick Cavett ShowSeries | Self - Guest | 31 |
| 1967 | The Carol Burnett ShowSeries | Self | 30 |
| 1967 | The Smothers Brothers Comedy HourSeries | Self | 30 |
| 1967 | Away We GoSeries | Self | 30 |
| 1966 | That GirlSeries | — | 29 |
| 1966 | The Glass Bottom BoatMovie | Unknown (uncredited) | 29 |
| 1964 | The Hollywood PalaceSeries | Self | 27 |
| 1962 | The Merv Griffin ShowSeries | Self | 25 |
| 1961 | The Mike Douglas ShowSeries | Self | 24 |
| 1948 | The Ed Sullivan ShowSeries | Self | 11 |
