<P> America's Got Talent (sometimes abbreviated as AGT) is an American reality television series on the NBC television network, and part of the global Got Talent franchise . It is a talent show that features singers, dancers, magicians, comedians, and other performers of all ages competing for the advertised top prize of one million dollars . The show debuted in June 2006 for the summer television season . From season three (2008) onwards, the prize includes the one million dollars, payable in a financial annuity over 40 years, and a chance to headline a show on the Las Vegas Strip . Among its significant features is that it gives an opportunity to talented amateurs or unknown performers, with the results decided by an audience vote . The format is a popular one and has often been reworked for television in the United States and the United Kingdom . </P> <P> This incarnation was created by Simon Cowell, and was originally due to be a 2005 British series called Paul O'Grady's Got Talent but was postponed due to O'Grady's acrimonious split with broadcaster ITV (later launching as Britain's Got Talent in 2007). Therefore, the U.S. version became the first full series of the franchise . </P> <P> The original judging panel consisted of David Hasselhoff, Brandy Norwood, and Piers Morgan . Sharon Osbourne replaced Norwood in season two (2007), and Howie Mandel replaced Hasselhoff in season five (2010). Howard Stern replaced Morgan in season seven (2012). Mel B replaced Osbourne in season eight (2013), while Heidi Klum joined as a fourth judge . Simon Cowell replaced Stern in season eleven (2016). Regis Philbin was the original host (season one), followed by Jerry Springer for two seasons (2007--2008), followed by Nick Cannon for eight seasons (2009--2016). Supermodel and host Tyra Banks replaced Cannon for the twelfth season (2017). </P> <P> On August 2, 2016, NBC renewed the series for a twelfth season, which premiered on May 30, 2017 . The season concluded on September 20, 2017 . </P>

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