January 25, 2019 11:50 pm ‘Tonight': Matt LeBlanc and Jimmy Debate How Many Claps Are in the ‘Friends' Theme Song Jimmy approaches Matt LeBlanc backstage with some fun Friends trivia, and things quickly get heated. US & World Videos 1:02 Barge slams into Texas bridge, causing oil spill 3:29 Woman accidentally invites entire phone contact list to daughter's first birthday party 1:38 John Krasinski says George Clooney inspired him to be a director 3:34 Julianne Hough calls Derek Hough's wife Hayley Erbert ‘incredible' in heartfelt update 17:01 Chris Pine and Kelly Clarkson answer personal questions in ‘saucy' new game