The 100 7×12 “The Stranger” Season 7 Episode 12 Inside – NEW DAY – It’s a new day in Sanctum. Clarke (Eliza Taylor), Octavia (Marie Avgeropoulos), Raven (Lindsey Morgan) and Echo (Tasya Teles) struggle with a new foe. Richard Harmon, Shannon Kook, JR Bourne, Shelby Flannery and Chuku Modu also star. Amanda Row directed the episode written by Blythe Ann Johnson (#712). Original airdate 8/19/2020.