Tonight Show February 14, 2019 2:43 am ‘Tonight': ‘Know It All' With Steve Martin and Martin Short Steve Martin and Martin Short face off in a game of knowledge and deception to see who can name more things in different categories before time runs out. US & World Videos 0:45 Lakers fire head coach Darvin Ham 1:12 5 things to know about Tom Thibodeau 21:18 Jim Gaffigan gives hilarious dad advice to Kelly Clarkson audience 9:45 Orlando Bloom says he's shocked he's still alive after filming his new adventure show 9:22 Mississippi nonprofit tackles poverty head-on through radical approach