Fifty years ago, Johnny Carson became the host of The Tonight Show. NBC/Photofest/PBS hide caption

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Patrick Stewart co-starred in the BBC series that spanned the history of the Roman empire from Augustus through Claudius. Acorn Media hide caption

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Girls has been compared to Sex and the City. The characters, played by Allison Williams, Jemima Kirke, Lena Dunham and Zosia Mamet, navigate the ups and downs of life in New York City. HBO hide caption

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Game of Throne's Peter Dinklage returns to the Lannister kingdom more influential than ever, thanks to a scroll that gives him power by proxy. Paul Schiraldi/Paul Schiraldi Photography hide caption

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Don Draper, played by Jon Hamm, celebrates his 40th birthday in the fifth season of Mad Men. Frank Ockenfels/AMC hide caption

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An Adelie penguin male builds a stone nest in anticipation of the females' arrival. The males compete over the precious stones, often resorting to stealing to get the best ones. Jeff Wilson/Discovery Channel/BBC hide caption

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Game Change has been attacked in advance by Sarah Palin, who recently said on Fox News, "Hollywood lies are Hollywood lies." HBO hide caption

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In the new NBC drama Awake, Jason Issacs plays Michael Britten, a man who survives a car accident along with one of his loved ones — but which one? Michael Desmond/NBC hide caption

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Gambon's character slips in and out of feverish dreams in which his doctors and nurses start to sing and dance. BBC hide caption

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Writers for Sid Caesar include Mel Brooks (front, lower right corner) and Neil Simon (back row, upper left corner). Courtesy of Michael Hirsh hide caption

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Nick Nolte plays a horse owner who spent most of his career working as a horse trainer in Luck. HBO hide caption

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When Kiefer Sutherland ended his series of very long, very intense days as Jack Bauer on the Fox series 24, few people, including Sutherland himself, expected him to be starring in another TV series right away. Fox hide caption

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In the two-hour premiere episode of Alcatraz, Rebecca (Sarah Jones) looks for clues to a missing prisoner from the 1960s who suddenly reappears in modern day. FX hide caption

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Bill Moyers began his career in journalism as a junior reporter at the Marshall News Messenger in Marshall, Texas. Peter Krogh/©Peter Krogh hide caption

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CBS This Morning is co-hosted by Gayle King, Charlie Rose and Erica Hill. John P. Filo/CBS hide caption

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