4x01 - Echoes - February 01, 2017
SEASON PREMIERE - Clarke (Eliza Taylor) and her friends struggle with how to proceed after the fate of the world is revealed. Paige Turco, Bob Morley, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan, Isaiah Washington and Henry Ian Cusick also star. Dean White directed the episode written by Jason Rothenberg.



4x02 - Heavy Lies the Crown - February 08, 2017
CHALLENGES — The burden of leading weighs heavily upon Clarke (Eliza Taylor) and Bellamy (Bob Morley) when different challenges force them to determine who will live and die. Paige Turco, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan, Isaiah Washington and Henry Ian Cusick also star. Ed Fraiman directed the episode written by Justine Juel Gillme.



4x03 - The Four Horseman - February 15, 2017
TENSIONS RISE - Jaha (Isaiah Washington) leads Clarke (Eliza Taylor) and Bellamy (Bob Morley) down a road to possible salvation while tensions rise in Arkadia and Polis. Paige Turco, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan, Isaiah Washington and Henry Ian Cusick also star. P.J. Pesce directed the episode written by Heidi Cole McAdams.



4x04 - A Lie Guarded - February 22, 2017
ABBY SEARCHES FOR ANSWERS — Continued struggles with leadership and trust in Arkadia and Polis take violent turns while Abby (Paige Turco) leads a team to a distant location hoping to find answers. Eliza Taylor, Bob Morley, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan, Isaiah Washington and Henry Ian Cusick also star. Ian Samoil directed the episode written by Kim Shumway.



04x05 - The Tinder Box - March 01, 2017
CLARKE MAKES A DESPERATE PLEA — Clarke (Eliza Taylor) makes a desperate plea with a former allied force in an attempt to avoid a war and ensure the survival of her people. Bob Morley, Paige Turco, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan, Isaiah Washington and Henry Ian Cusick also star. John F. Showalter directed the episode written by Morgan Gende.



4x06 - We Will Rise - March 15, 2017
CLARKE AND ROAN WORK TOGETHER — Clarke (Eliza Taylor) and Roan (Zach McGowan) must work together in hostile territory in order to deliver an invaluable asset to Abby (Paige Turco) and her team. Bob Morley, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Isaiah Washington and Henry Ian Cusick also star. Dean White directed the episode written by Charmaine DeGrate.



4x07 - Gimme Shelter - March 22, 2017
THINGS TAKE A TURN FOR THE WORSE — 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.



4x08 - God Complex - March 29, 2017
JAHA FINDS A LEAD — After a disappointing discovery, Clarke (Eliza Taylor) and Abby (Paige Turco) question how far they’re willing to go. Meanwhile, Jaha (Isaiah Washington) finds a lead to the mysterious Second Dawn. Bob Morley, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan and Henry Ian Cusick also star. Omar Madha directed the episode written by Lauren Muir.



4x09 - DNR - April 26, 2017
CLARKE STRUGGLES TO KEEP THE PEACE — Jasper (Devon Bostick) and Bellamy (Bob Morley) go on a quest. Meanwhile, Clarke (Eliza Taylor) struggles to keep the peace after word of Jaha’s (Isaiah Washington) discovery spreads. Paige Turco, Marie Avgeropoulos, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan and Henry Ian Cusick also star. Dean White directed the episode written by Aaron Ginsburg & Wade McIntyre.



4x10 - Die All, Die Merrily - May 01, 2017
OCTAVIA FIGHTS FOR SURVIVAL — Octavia (Marie Avgeropoulos) fights in the final battle for her people’s survival, but not everyone is willing to play fair. Eliza Taylor, Bob Morley, Paige Turco, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan, Isaiah Washington and Henry Ian Cusick also star. Dean White directed the episode written by Aaron Ginsburg & Wade McIntyre.

4x11 - The Other Side - May 10, 2017
HENRY IAN CUSICK DIRECTS THE EPISODE - Clarke (Eliza Taylor) faces the consequences of her fateful choice. Bob Morley, Paige Turco, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan, Isaiah Washington and Henry Ian Cusick also star. Henry Ian Cusick directed the episode written by Julie Benson & Shawna Benson.

4x12 - The Chosen - May 17, 2017
CLARKE LEADS A GROUP TO SAVE A FRIEND - Jaha (Isaiah Washington) and Kane (Henry Ian Cusick) disagree over how to handle their grim reality. Meanwhile, Clarke (Eliza Taylor) leads a group to save a friend. Bob Morley, Paige Turco, Marie Avgeropoulos, Devon Bostick, Lindsey Morgan, Christopher Larkin, Richard Harmon, Zach McGowan also star. Alex Kalymnios directed the episode written by Aaron Ginsburg & Wade McIntrye.