Praimfaya

Praimfaya is the thirteenth episode of the fourth season of The 100. It is the fifty-eighth episode of the series overall.

It's a race against the end of the world as Praimfaya arrives forcing our heroes to make impossible decisions to ensure their survival.

Starring

 * Eliza Taylor as Clarke Griffin
 * Paige Turco as Abigail Griffin
 * Bob Morley as Bellamy Blake
 * Marie Avgeropoulos as Octavia Blake
 * Christopher Larkin as Monty Green


 * Lindsey Morgan as Raven Reyes
 * Richard Harmon as John Murphy
 * Isaiah Washington as Thelonious Jaha
 * Henry Ian Cusick as Marcus Kane

Guest Starring

 * Chelsey Reist as Harper McIntyre
 * Tasya Teles as Echo
 * Luisa D'Olivera as Emori
 * Tati Gabrielle as Gaia

Body Count

 * The name of this episode is the extinction event called Praimfaya (Event) by the Grounders.