Stephen Amell's M&M's Run of the Night

Also available on the NBC app

Watch Stephen Amell's run from Celebrity Ninja Warrior.

Appearing:Matt IsemanKristine Leahy
Tags: american ninja warrior, watch ninja warrior video, celebrity ninja warrior, ninja warrior season 9, Stephen Amell, derek hough, nick swisher, Ashton Eaton, grant mccartney, kacy catanzaro, jessie graff, Flip Rodriguez, Meagan Martin, natalie duran
S9 E15 minHighlightReality and Game ShowPrimetime