Unacceptable

These half-hour specials showcased some of the best up-and-coming comedians of the moment. The show was a pivotal stepping stone for many of today's stand-up stars.

Based on Scott Aukerman’s popular podcast of the same name, COMEDY BANG! BANG! cleverly riffs on the well-known format of the late night talk show, infusing celebrity appearances and comedy sketches with a tinge of the surreal. In each episode, Aukerman engages his guests with unfiltered and improvisational lines of questioning, punctuated by banter and beats provided by bandleader, one-man musical mastermind Reggie Watts, to reinvent the traditional celebrity interview. Packed with character cameos, filmic shorts, sketches and games set amongst an off-beat world, COMEDY BANG! BANG! delivers thirty minutes of absurd laugh-loaded fun featuring some of the biggest names in comedy.

Jonathan Ross's take on current topics of conversation, guest interviews and live music from both a guest music group and the house band.

It's easy to feel overwhelmed by the world's problems. It's harder to pinpoint the systems responsible for creating them. In this series, Jon Stewart brings together people impacted by different parts of a problem to discuss how we come up with change.

The Ed Sullivan Show is an American TV variety show that originally ran on CBS from Sunday June 20, 1948 to Sunday June 6, 1971, and was hosted by New York entertainment columnist Ed Sullivan. It was replaced in September 1971 by the CBS Sunday Night Movie, which ran only one season and was eventually replaced by other shows. In 2002, The Ed Sullivan Show was ranked #15 on TV Guide's 50 Greatest TV Shows of All Time.

Host Zach Galifianakis conducts comical celebrity interviews sitting with his guests between two potted ferns on a sparse set, in the awkward style of low-budget community access cable channels.

The Late Late Show with Craig Ferguson is an American late-night talk show hosted by Scottish American comedian Craig Ferguson, who is the third regular host of the Late Late Show franchise. It follows Late Show with David Letterman in the CBS late-night lineup, airing weekdays in the US at 12:37 a.m. It is taped in front of a live studio audience from Monday to Friday at CBS Television City in Los Angeles, California, directly above the Bob Barker Studio. It is produced by David Letterman's production company Worldwide Pants Incorporated and CBS Television Studios. Since becoming host on January 3, 2005, after Craig Kilborn and Tom Snyder, Ferguson has achieved the highest ratings since the show's inception in 1995. While the majority of the episodes focus on comedy, Ferguson has also addressed difficult subject matter, such as the deaths of his parents, and undertaken serious interviews, such as one with Desmond Tutu, which earned the show a 2009 Peabody Award.

Each week, Jefferies tackles the week’s top stories from behind his desk and travels the globe to far-off locations to provide an eye opening look at hypocrisy around the world. Featuring interviews, international field pieces, and man on the ground investigations, Jim tackles the news of the day with no-bulls**t candor, piercing insight and a uniquely Aussie viewpoint.

The outrageous comedy panel show hosted by the irrepressible Keith Lemon. Each episode sees top celebrities going head to head in a series of hilarious rounds unlike any other panel show.

Stepping into the late-late slot vacated by David Letterman, Conan O'Brien stars in a show that far outdoes its competition in sheer strangeness. Along with the celebrity interviews and musical numbers typical of late-night talk shows, this program make frequent use of odd walk-on characters and frequent "visits" from celebrity guests.

Stephen Colbert brings his signature satire and comedy to The Late Show with Stephen Colbert, the #1 show in late night, where he talks with an eclectic mix of guests about what is new and relevant in the worlds of politics, entertainment, business, music, technology, and more. Featuring bandleader Jon Batiste with his band Stay Human, the Emmy Award-nominated show is broadcast from the historic Ed Sullivan Theater.

Late Night with David Letterman is a nightly hour-long comedy talk show on NBC that was created and hosted by David Letterman. It premiered in 1982 as the first incarnation of the Late Night franchise and went off the air in 1993, after Letterman left NBC and moved to Late Show on CBS. Late Night with Conan O'Brien then filled the time slot. As of March 2, 2009, the slot has been filled by Late Night with Jimmy Fallon. It will be filled by Seth Meyers in the spring of 2014, after Fallon becomes host of The Tonight Show.

Jerry takes his comedy pals out for coffee in a selection of his classic automobiles. Larry David sums it up best when he says, 'You've finally made a show about nothing.'

Da Ali G Show is a British satirical television series created by and starring English comedian Sacha Baron Cohen. In the series, Baron Cohen plays three unorthodox journalists: faux-streetwise poseur Ali G, Kazakh reporter Borat Sagdiyev, and gay Austrian fashion enthusiast Brüno Gehard. These characters conduct real interviews with unsuspecting people, many of whom are celebrities, high-ranking government officials, and other well-known figures, during which they are asked absurd and ridiculous questions.

Each week celebrity guests join Irish comedian Graham Norton to discuss what's being going on around the world that week. The guests poke fun and share their opinions on the main news stories. Graham is often joined by a band or artist to play the show out.

Each week a group of four famous faces go toe to toe in testing their general knowledge skills in a variety of entertaining games.

David Letterman uses mature humor to appeal to his audience in this weeknight series, which gets its music from a house band led by Paul Shaffer. Among the show's most-famous segments are the Top Ten List and Stupid Pet Tricks, the latter of which subsequently led to an additional recurring segment called Stupid Human Tricks.

The World’s Foremost Drive-in Movie Critic – actually he’s pretty much the world’s only Drive-in Critic – Joe Bob Briggs brings his iconic swagger to this firebrand of horror and drive-in cinema offering honest appreciation, hilarious insight, inside stories and of course, the Drive-in totals.

Late Night with Jimmy Fallon is an American late-night talk show airing weeknights at 12:35 am Eastern/11:35 pm Central on NBC in the United States. The hour-long show premiered on March 2, 2009, and is hosted by actor, comedian and performer Jimmy Fallon, an alumnus of Saturday Night Live. Hip hop/neo soul band The Roots serve as the show's house band, and Steve Higgins is the show's announcer. The third incarnation of the Late Night franchise originated by David Letterman, the program originates from NBC Studio 6B in the GE Building at 30 Rockefeller Center in New York City. The show typically opens with a brief monologue from Fallon, followed by a comedy "desk piece," as well as prerecorded segments and audience competitions. The next segment is devoted to a celebrity interview, with guests ranging from actors and musicians to media personalities and political figures. The show then closes with either a musical or comedy performance. The show frequently employs digital media into its comedy, which has become crucial to its success. Fallon has been appointed to become the next host of The Tonight Show, where he will succeed the current host Jay Leno at the conclusion of the 2014 Winter Olympics, with fellow SNL alum Seth Meyers slated to replace Fallon.

Comedy sketch show with hilarious characters and absurdist twists from the duo that brought us Peep Show and The Smoking Room - David Mitchell and Robert Webb.

Brian Cox and Robin Ince host a close encounter of the first kind with comedian Lucy Beaumont, astronomer Maggie Aderin-Pocock, Prof Tim O’Brien and science presenter Dallas Cambell to ask if UFOs and aliens have visited Earth.

The outrageous comedy panel show hosted by the irrepressible Keith Lemon. Each episode sees top celebrities going head to head in a series of hilarious rounds unlike any other panel show.

Filmed on location in a real museum after dark, surrounded by priceless artefacts, taxidermy and historical curiosities, Alex Lee guides four celebrity players through a series of challenges and quizzes.

The taskmaster has invited five of Norway's best comedians to solve a number of tasks.

Never Mind the Buzzcocks is a comedy panel game show with a pop and rock music theme. The show is infamous for its dry, sarcastic humour and scathing, provocative attacks on the pop industry.

Greg Davies is the Taskmaster, and with the help of his ever-loyal assistant Alex Horne, they will set out to test the wiles, wit, wisdom and skills of five hyper-competitive comedians. Who will be crowned the Taskmaster champion?

Two teams comprised of comedians, celebrities and sports stars compete against each other in a test of their sporting knowledge, taking place over three rounds.

Adam Hills and co-hosts Josh Widdicombe and Alex Brooker provide some offbeat commentary on the significant moments of the past seven days.

Presenter Jimmy Carr oversees a panel of top-name celebrities in this year end quiz show where they compete to see who can answer the most questions correctly.

Hosted by Josh Widdicombe and James Acaster, top comedians are posed absurd hypothetical situations and scored on how well they would deal with them. Over three rounds, two teams of comedians must think fast as they are faced with a series of completely made-up scenarios and interrogated on their approach to each one. Host Josh Widdicombe poses the questions and interrogates the guests' methods, whilst James Acaster, as arbiter of the Hypotheticals, deals with the guests quibbles and queries and doles out the points.

A weekly, topical panel show based around a huge series of opinion poll surveys carried out around Britain.

In a world dominated by fake news and outright lies, Question Everything dissects the news to sort the real from the rumours, separate fact from fiction and flatten conspiracy theories back down to Earth.

Comedy panel show about people with the same first name, hosted by Sue Perkins.

A comedic panel show featuring team captains Lee Mack and David Mitchell plus two guests per side, hosted by Rob Brydon (formerly Angus Deayton). Each person must reveal embarrassing facts and outrageous lies during a series of different rounds including "Home Truths", "This Is My..." and "Quickfire Lies". It is up to the opposing team to tell tall tales from fantastic facts.

Famous comedians and funny experts meet in a duel where they try to outdo each other with astounding facts. Host is Johan Wester. Based on the hit British program QI.

Taskmaster Greg Davies and his fiendish elf Alex Horne ring in the new year by tormenting five celebrities with a series of weird, wonderful one-off challenges