Betty White(01 of17)
Open Image ModalOn the air: 1954Number of seasons: 1Network: NBCWhat happened? One of four series to feature the title "The Betty White Show," this was a short-lived weekday afternoon talk show. (credit:Alamy)
Alan Thicke(02 of17)
Open Image ModalOn the air: 1980-1983Number of seasons: 3Network: CTV, in CanadaWhat happened? "The Alan Thicke Show" was a success in Canada, and the "Growing Pains" star was signed to host a syndicated late-night talk show called "Thicke of the Night." It lasted one season. (credit:jpistudios.com)
Pat Sajak(03 of17)
Open Image ModalOn the air: 1989-1990Number of seasons: 1Network: CBSWhat happened? Sajak left the daytime version of "Wheel of Fortune" to host "The Pat Sajak Show." It was canceled due to low ratings. (credit:Alamy)
Tempestt Bledsoe(04 of17)
Open Image ModalOn the air: 1995Number of seasons: 1Network: SyndicatedWhat happened? This former "Cosby Show" star's show was canceled after "attacks from Capitol Hill over lurid content and subsequent concern from advertisers," according to the Chicago Sun-Times. (credit:Getty Images)
Gayle King(05 of17)
Open Image ModalOn the air: In its orignal iteration, 1997-1998Number of seasons: 1Network: SyndicatedWhat happened? The original "Gayle King Show" was canceled after 130 episodes. In September 2006, King began hosting a radio program of the same name on Oprah Winfrey's XM Satellite station. The show was repurposed for television and aired on the Oprah Winfrey Network from January to November 2011, until she landed a gig co-anchoring "CBS This Morning." (credit:Getty Images)
Magic Johnson(06 of17)
Open Image ModalOn the air: June-September 1998Number of seasons: 1Network: SyndicatedWhat happened? "The Magic Hour" was critically panned and subsequently canceled. (credit:jpistudios.com)
Roseanne Barr(07 of17)
Open Image ModalOn the air: 1998-2000Number of seasons: 2Network: CBSWhat happened? "The Roseanne Show" attempted to build on the momentum of Barr's long-running sitcom, but it was canceled after 281 episodes. (credit:Alamy)
Wayne Brady(08 of17)
Open Image ModalOn the air: 2001-2004Number of seasons: 3Network: ABC (2001-2002), Syndicated (2002-2004)What happened? The ABC show was canceled after one season due to poor ratings. The show was reformatted for syndication and canceled after two additional seasons, despite sharing the 2003 Daytime Emmy Award for Outstanding Talk Show with "The View." (credit:Getty Images)
Zach Galifianakis(09 of17)
Open Image ModalOn the air: 2002Number of seasons: 1Network: VH1What happened? "Late World With Zach" was canceled after 32 episodes. (credit:Alamy)
Caroline Rhea(10 of17)
Open Image ModalOn the air: 2002-2003Number of seasons: 1Network: SyndicatedWhat happened? Best known for her lovable roles on "Sabrina, the Teenage Witch" and "Hollywood Squares," Rhea couldn't keep her talk show afloat. It was canceled after 195 episodes and replaced by the much more successful "Ellen DeGeneres Show" (credit:Getty Images)
Tony Danza(11 of17)
Open Image ModalOn the air: 2004-2006Number of seasons: 2Network: SyndicatedWhat happened? "The Tony Danza Show" was canceled after 330 episodes. To no avail, VH1's "Best Week Ever" launched a petition to keep the show on the air. (credit:AP)
Megan Mullally(12 of17)
Open Image ModalOn the air: 2006-2007Number of seasons: 1Network: Syndicated, but airing nationally on TBS and distributed by NBCWhat happened? Even with the debut episode featuring Will Ferrell in nothing but briefs, "The Megan Mullally Show" was canceled after 71 episodes. Audience members found Mullally's talk-show persona to be a letdown compared to her eccentric portrayal of Karen Walker on "Will & Grace." (credit:Alamy)
Charlotte Church(13 of17)
Open Image ModalOn the air: 2006-2008Number of seasons: 3Network: Channel 4 in the UKWhat happened? The show was canceled after 25 episodes, despite Church winning Best Female Newcomer and the British Comedy Awards. (credit:PA)
Lily Allen(14 of17)
Open Image ModalOn the air: February-April 2008Number of seasons: 1Network: BBC Three, in the UKWhat happened? "Lilly Allen and Friends" was doomed from the start, with many audience members reportedly walking out during the middle of the pilot episode's taping. The show was canceled after eight episodes. (credit:Getty Images)
Bonnie Hunt(15 of17)
Open Image ModalOn the air: 2008-2010Number of seasons: 2Network: SyndicatedWhat happened? Hunt managed to pick up a Daytime Emmy nomination for Outstanding Talk Show Host in 2010, but the show was canceled after 452 episodes. (credit:Getty Images)
Wanda Sykes(16 of17)
Open Image ModalOn the air: 2009-2010Number of seasons: 1Network: FoxWhat happened? "The Wanda Sykes Show" replaced "MadTV" and "Talkshow with Spike Feresten" but was canceled after 21 episodes. (credit:Alamy)
Brian McKnight(17 of17)
Open Image ModalOn the air: 2009-2010Number of seasons: 1Network: SyndicatedWhat happened? "The Brian McKnight Show" was canceled after 25 episodes. (credit:Alamy)