| Year | Title | Role | Notes |
| 1981 | Friday Night, Saturday Morning | 20th Century Coyote | Series 4; Episodes 1 and 6 |
| Oxford Road Show | Series 2; Episode 1 |
| The Comic Strip | Adrian Dangerous | Television film. Bonus feature on The Comic Strip Presents... DVD |
| 1982 | Kevin Turvey: The Man Behind the Green Door | Keith Marshall | Television films |
| The Magnificent One | Larry |
| 1982–1984 | The Young Ones | Vyvyan Basterd / Alien Spotter / Randy the Cowpoke | Series 1 and 2; 12 episodes |
| 1982–2012 | The Comic Strip Presents... | Various roles | Series 1–9; 30 episodes. Also writer (6 episodes), director (2 episodes) |
| 1984 | Spitting Image | Harold Angryperson (voice) | Series 1; Episode 7 |
| The Lenny Henry Show | Various characters | Series 1; Episode 4 |
| 1985 | Happy Families | Guy Fuddle | Episodes 1–6 |
| Saturday Live | 20th Century Coyote | Pilot episode |
| 1986 | Sir Adrian Dangerous | 8 episodes including sketches featuring The Dangerous Brothers |
| Screen Two | Alun Pickersgill | Series 2; Episode 5: "Honest, Decent and True" |
| 1987 | Filthy Rich & Catflap | Edward Catflap | Episodes 1–6 |
| Hardwicke House | Tiny | Episode 5: "The Old Boys".Guest appearance. |
| 1988 | French and Saunders | John | Series 2; Episode 5: "Potholing" |
| 1989 | Press Gang | Simon Knowles | Series 1; Episode 3: "One Easy Lesson" |
| A Night of Comic Relief 2 | Vyvyan | Television special for Comic Relief |
| Blackadder Goes Forth | Baron von Richthofen | Episode 4: "Private Plane" |
| Snakes and Ladders | Giles | Episodes 1–7 |
| Hysteria 2! | Himself | Standup special for The Terrence Higgins Trust |
| The Secret Policeman's Biggest Ball | Standup special for Amnesty International |
| 1990 | Screen One | Phil Burke | Series 2; Episode 1: "News Hounds" |
| 1991 | Comic Relief | Vim Fuego | Red Nose Day television special |
| 1991–1995 | Bottom | Edward 'Eddie' Hitler | Series 1–3; 18 episodes.Also co-creator and writer with Rik Mayall. |
| 1992, 1994 | Absolutely Fabulous | Hamish | Series 1; Episode 6: "Magazine" and Series 2; Episode 4: "New Best Friend" |
| 1993 | Jackanory | Storyteller | Series 31; Episodes 25–29: "Harvey Angell: Parts 1–5" |
| If You See God, Tell Him | Gordon Spry | Mini-series |
| 1994 | Anna Lee | Dominic Jones | Episode 4: "The Cook's Tale" |
| French and Saunders | Tim Goodchance | Episode: "French and Saunders' Christmas Carol" |
| 1995 | The Adventures of Young Indiana Jones: Treasure of the Peacock's Eye | Zyke | Television film |
| Look at the State We're In! | Dewhurst | Mini-series; Episodes 1–5 |
| 1997–1998 | Captain Star | 'Limbs' Jones (voice) | 13 episodes |
| 1998 | French and Saunders | James Macaroon | Episode: "The Making of the Filming of the Making of Titanic" |
| Jack and the Beanstalk | Dame Dolly | Television films |
| 1999 | The Man | Alex |
| 2003–2004 | Jonathan Creek | Brendan Baxter | Series 4; Episodes 1–5 |
| 2004 | Doctors and Nurses | Dr. Roy Glover | Episodes 1–6 |
| 2005 | Twisted Tales | Ed Barnes | Episode 10: "Cursed House" |
| Comic Relief Does Fame Academy | Himself – Competitor | Series 2; Finished in 3rd Place. |
| 2005–2008 | Holby City | Percy 'Abra' Durant | Series 7–11; 45 episodes |
| 2006 | Surviving Disaster | Valery Legasov | Docudrama mini-series; Episode 3: "Chernobyl Nuclear Disaster" |
| 2007 | Miss Austen Regrets | Henry Austen | Television film |
| A Bucket o' French & Saunders | Hamish | Compilation specials; Episode 4 |
| Top Gear | Himself – Performer | Series 9; Episode 7: "Top Gear of the Pops". Part of Red Nose Day 2007 |
| 2008 | Teenage Kicks | Vernon | Episodes 1–8. Also writer |
| Celebrity Mastermind | Himself – Contestant | Series 6; Episode 2; Finished in 3rd Place |
| 2009 | Hell's Kitchen | Series 4; Episodes 1–15; Finished in 2nd Place |
| 2010 | Pete & Dud: The Lost Sketches | Performer | Television film |