The 100 4×07 “Gimme Shelter” Season 4 Episode 7 Extended Promo – Clarke’s (Eliza Taylor) arrival on the island quickly takes a turn for the worse. Meanwhile, Bellamy (Bob Morley) tries to avoid further tragedy in Arkadia. Paige Turco, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan, Isaiah Washington and Henry Ian Cusick also star. Tim Scanlan directed the episode written by Terri Hughes Burton & Ron Milbauer (#407). Original airdate 3/22/2017.