This winning formula produced future stars likeCarrie UnderwoodandJennifer Hudsonwhile changing the way television worked.

Shows likeThe VoiceandAmericas Got Talentwouldnt exist withoutAmerican Idols colossal influence on primetime television.

The Sopranos defined the 2000s but also declared TV would never be the same again.

The characters of Family Guy stand together in front of a plain yellow background.

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Keep Reading:The 10 Best TV Dramas of the 2000s, Ranked

Family Guy - 1999 - poster

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The cast of CSI: Crime Scene Investigation pose for a promotional poster for the series.

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Jon Stewart holds note cards and sits on set on The Daily Show.

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The cast wear doctors' coats and gather in the hallway of a hospital in Grey’s Anatomy.

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The main cast of The Office posing next to mountains of paper sheets.

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Host Regis Philbin smiles at the camera, holding cash on Who Wants to be a Millionaire.

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The cast of Lost Season 4 in a promo photo in a field in front of water.

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Jeff Probst holds a wooden gavel and leads the Survivor Auction on Survivor 47.

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Paulie (Tony Sirico) and Tony (James Gandolfini) sit outside in the finale of The Sopranos.

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The Sopranos