NBC's "Late Night with Jimmy Fallon" with guests LL Cool J, Alyson Hannigan, Benedict Cumberbatch

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LATE NIGHT WITH JIMMY FALLON -- Episode 833 -- Pictured: Actress... News Photo2010,2010-2019,2013,Actress,Alyson Hannigan,Arrival,Arts Culture and Entertainment,Celebrities,Choice,Color Image,Curtain,Dress,Fashion,Females,Full Length,Late Night with Jimmy Fallon,Maroon,New York City,Night,One Person,People,Portrait,Red,Season 5,Talkshow,Television Show,USA,Vertical,WalkingPhotographer Collection: NBCUniversal 2013 NBCUniversal Media, LLCLATE NIGHT WITH JIMMY FALLON -- Episode 833 -- Pictured: Actress Alyson Hannigan arrives on May 10, 2013 -- (Photo by: Lloyd Bishop/NBC/NBCU Photo Bank via Getty Images)