Unexpected

Infinite Challenge has been reported as the first "Real-Variety" show in Korean television history. The program is largely unscripted, and follows a similar format of challenge-based Reality Television programs, familiar to the audiences in the West, but the challenges are often silly, absurd, or impossible to achieve, so the program takes on the aspect of a satirical comedy variety show, rather than a more standard reality or contest program. In order to achieve its comedic purposes its 6 hosts and staff continuously proclaim, the elements of this show are the 3-Ds, Dirty, Dangerous, and Difficult.

The Man Show is an American comedy television show on Comedy Central. It was created in 1999 by its two original co-hosts, Jimmy Kimmel and Adam Carolla, and their executive producer Daniel Kellison.

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.

The Tonight Show with Conan O'Brien is an American television talk show broadcast by NBC. The show is the fifth installment of The Tonight Show, hosted by Conan O'Brien. It aired from June 1, 2009, to January 22, 2010, succeeding The Tonight Show with Jay Leno and ended when Leno returned to the role of Tonight Show host.

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.

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.

Two "Internetainers" (Rhett & Link) go far out and do the weirdest things, giving you a daily dose of casual comedy every Monday-Friday.

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.

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.

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.