Who Do You Do?

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.

This Hour Has 22 Minutes is a weekly Canadian television comedy that airs on CBC Television. Launched in 1993 during Canada's 35th general election, the show focuses on Canadian politics, combining news parody, sketch comedy and satirical editorials. Originally featuring Cathy Jones, Rick Mercer, Greg Thomey and Mary Walsh, the series featured satirical sketches of the weekly news and Canadian political events. The show's format is a mock news program, intercut with comic sketches, parody commercials and humorous interviews of public figures. The on-location segments are frequently filmed with slanted camera angles.

A half-hour satirical look at the week in news, politics and current events.

Nick Cannon and an A-list celebrity lead a team of improv comedians as they compete against each other.

Key & Peele is an American sketch comedy television show. It stars Keegan-Michael Key and Jordan Peele, both former cast members of MADtv. Each episode of the show consists of several pre-taped sketches starring the two actors, introduced by Key and Peele in front of a live studio audience.

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.

The Amanda Show is an American live action sketch comedy and variety show that aired on Nickelodeon from October 16, 1999 to September 21, 2002. It starred Amanda Bynes, Drake Bell, and Nancy Sullivan, along with several performing artists who came and left at different points, such as John Kassir, Raquel Lee, and Josh Peck. The show was a spin-off from All That, in which Bynes had co-starred for several years. The show was unexpectedly cancelled at the end of 2002, according to creator Dan Schneider's blog. Writers for the show included John Hoberg, Steven Molaro, Andrew Hill Newman, and Dan Schneider. Two years after the end of The Amanda Show, Dan Schneider created a new series, called Drake & Josh, featuring Drake Bell, Josh Peck and Nancy Sullivan.

Created by stars Keenen Ivory Wayans and Damon Wayans, this Emmy-winning sketch series offers cutting-edge satire and features a host of talent, including Jamie Foxx, Jim Carrey, David Alan Grier and Tommy Davidson.

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

Tim and Eric Awesome Show, Great Job! is an American sketch comedy television series, created by and starring Tim Heidecker and Eric Wareheim, which premiered February 11, 2007 on Cartoon Network's Adult Swim comedy block and ran until May 2010. The program features surrealistic and often satirical humor, public-access television–style musical acts, bizarre faux-commercials, and editing and special effects chosen to make the show appear camp. The program featured a wide range of actors, spanning from stars such as Will Ferrell, John C. Reilly, David Cross, Bob Odenkirk, Will Forte and Zach Galifianakis, to alternative comedians like Neil Hamburger, to television actors like Alan Thicke, celebrity look-alikes and impressionists. The creators of the show have described it as "the nightmare version of television."

Murphy Brown (Candice Bergen) is a recovering alcoholic who returns to the fictional newsmagazine FYI for the first time following a stay at the Betty Ford Clinic residential treatment center. Over 40 and single, she is sharp tongued and hard as nails. In her profession, she is considered one of the boys, having shattered many glass ceilings encountered during her career. Dominating the FYI news magazine, she is portrayed as one of America's hardest-hitting (though not the warmest or more sympathetic) media personalities.

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.