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12 Most Memorable 'Sesame Street' Milestones 4 Chimes

From Mr. Hooper's death to Cookie Monster quitting cookies, check out these unforgettable moments from 40 years of Sesame Street

Richard Termine/TM and © Sesame Workshop. All Rights Reserved.

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'Sesame Street' Turns 40

On Nov. 10, the new season of Sesame Street premieres, marking the 40th anniversary of the longest-running children's show on U.S. television. Multiple generations of wide-eyed kids have fallen in love with the entertaining, educational and  inspiring residents of the friendliest street in town, and this season promises even more laughs and life lessons. And giving the show the presidential seal of approval? First Lady Michelle Obama, who opens the season as the first celebrity guest.

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