Linehan has also appeared in "The Day Today" and in two episodes of "Garth Marenghi's Darkplace", and has had cameos in "Black Books" (series one, episode two, as "I love books" Guy, and series one, episode five as Fast Food Customer), and the "Father Ted" episodes "Good Luck Father Ted", "Entertaining Father Stone", "Flight Into Terror", "Cigarettes, Alcohol and Rollerblading" and "Chirpy Burpy Cheap Sheep". He had cameos in four episodes of "The IT Crowd": as Messy Joe's Restaurant Musician, in series one, episode three; the blind sorcerer, in series two, Episode six; as an audience member of Jen's speech, in series three, episode four; and as Beth Gaga Shaggy, in series four, episode three. He appeared in the Identity Parade round of "Never Mind the Buzzcocks". He has also appeared in the pilot of "Little Britain", as well as in series one, episode four, as a bystander who gets in the way of character Kenny Craig when he is attempting to hypnotise, from a distance, a man whose car he has crashed into. He also appeared in series one, episode five, in which he played a journalist called Roy Sloan (from "Whizzer and Chips") during a conference with Prime Minister Michael Stevens (Anthony Head). Linehan was one of the writers interviewed by Charlie Brooker in a special interview episode of the fifth series of "Brooker's Screenwipe" programme, and again on "Brooker's Gameswipe" in 2010. Linehan also appeared as a guest panellist on "Have I Got News for You" in 2011 and again in 2012, and he made his debut as a guest on the BBC show "QI" in the 11th series (K series) in 2013, receiving a score of −19.