It's back! Everyone's favorite trivia game, Know or Go, is back -- and this time the theme is "Famous Co-Stars." Watch the three contestants as they try to Answer Ellen's questions. Who will know and who will go?!
- Troye Sivan Performs 'Heaven' Hillary Clinton's Debate Dance Moves Ellen's Printable Jack-o'-Lantern Stencils A Too Cute 4-Year-Old 'Juju on That Beat' Dancer 'Oops! My Water Broke' with Rachel McAdams & Justin Hartley