| Year | Title | Role | Notes |
| 1978–79 | Who's Watching the Kids? | Bert Gunkel | Main cast |
| 1979 | Working Stiffs | Ernie O'Rourke |
| 1982 | Laverne & Shirley | 'Wheezer' | Episode: "Of Mice and Men" |
| 1983–85 | Saturday Night Live | Himself/Cast Member | Main cast (season 9-10) |
| 1984 | Faerie Tale Theatre | Mario | Episode: "Pinocchio" |
| 1986 | Cinemax Comedy Experiment | Bob | Episode: "Jim Belushi in Birthday Boy" |
| 1993 | Wild Palms | Harry Wyckoff | Main cast |
| The Building | Billy Shoe | Episode: "Yakkity Yak Don't Talk" |
| 1994–97 | Aaahh!!! Real Monsters | Simon The Monster Hunter (voice) | Recurring cast |
| 1995 | Duckman | Saul Monella (voice) | Episode: "America the Beautiful" |
| Pinky and the Brain | Jack Maguire (voice) | Episode: "Das Mouse" |
| Santo Bugito | Baby Face (voice) | Episode: "Load 'O Bees" |
| 1995–96 | Gargoyles | Fang (voice) | Recurring cast (season 2) |
| 1995–2010 | Biography | Himself | Recurring guest |
| 1996 | Dumb and Dumber | Duker, Manager | Episode: "Chipped Dip / Laundryland Lunacy" |
| KaBlam! | Louie The Chameleon (voice) | Episode: "Built for Speed" |
| Timon & Pumbaa | Male Warthog (voice) | Episode: "Home Is Where the Hog Is" |
| The Tick | Mr. Fleener (voice) | Episode: "The Tick vs. Education" |
| 1996–97 | Mighty Ducks | Phil Palmfeather (voice) | Main cast |
| 1996–99 | Hey Arnold! | Coach Jack Wittenberg (voice) | Guest cast (season 1–4) |
| 1997 | Arena | Himself | Episode: "Cigars: Out of the Humidor" |
| Cow and Chicken | Butch (voice) | Episode: "School Bully" |
| Life with Louie | Jack (voice) | Episode: "The Making of a President" |
| The Blues Brothers: The Animated Series | Jake (voice) | Main cast |
| Total Security | Steve Wegman |
| 1997–98 | The Larry Sanders Show | Himself | Guest cast (season 1–2) |
| 1998 | E! True Hollywood Story | Episode: "John Belushi" |
| Hercules | Nestor (voice) | Guest cast (season 1–2) |
| Stories from My Childhood | Peter The Repeater Bird (voice) | Episode: "Alice and The Mystery of the Third Planet" |
| 2000–01 | Beggars and Choosers | Freddy Falco | Recurring cast (season 2) |
| 2001 | ER | Dan Harris | Episode: "Piece of Mind" |
| 2001–09 | According to Jim | James "Jim" Orenthal | Main cast; also executive producer |
| 2002 | The Jamie Kennedy Experiment | Himself | Episode: "Episode " |
| Rugrats | Santa Claus (voice) | Episode: "Babies in Toyland" |
| What's New, Scooby-Doo? | Asa Buckwald (voice) | Episode: "Scooby-Doo Christmas" |
| Robbie the Reindeer | Santa Claus, Tapir (voice) | 2 episodes |
| 2002–06 | The Adventures of Jimmy Neutron: Boy Genius | Coach Gruber (voice) | Recurring cast (season 1), guest (season 3) |
| 2003 | Mad TV | Himself | Episode: "Don Cheadle" |
| Ozzy & Drix | Captain Quinine (voice) | Episode: "The Conqueror Worm" |
| I'm with Her | Leslie Buren | Episode: "The Second Date" |
| 2004 | Less than Perfect | Eddie Smirkoff | Episode: "Arctic Nights" |
| 2005 | The Top 5 Reasons You Can't Blame... | Himself | Episode: "Steve Bartman for the Cubs 2003 Playoff Collapse" |
| My Crazy Life | Episode: "Snow Jobs" |
| Who's No. 1? | Episode: "Biggest Chokes" |
| George Lopez | The Inspector | Episode: "George's Extreme Makeover: Holmes Edition" |
| Fatherhood | Officer (voice) | Episode: "Truth or Scare" |
| 2006 | My First Time | Himself | Episode: "Sitcom Stylings" |
| Second City: First Family of Comedy | Recurring guest |
| 2008 | Yin Yang Yo! | The Puffin (voice) | Episode: "League of Evil" |