100 years in the future, when the Earth has been abandoned due to radioactivity, the last surviving humans live on an ark orbiting the planet — but the ark won't last forever. So the repressive regime picks 100 expendable juvenile delinquents to send down to Earth to see if the planet is still habitable.
Air date: 2019-04-30
Runtime: 42 min
Overview: Still reeling after receiving Monty’s message, a small group goes down to explore the mysterious new planet. Back on the Mothership, several members of Wonkru face the consequences of their decisions.
Air date: 2019-05-07
Runtime: 42 min
Overview: The team on the ground flights to survive the threat they face on the new planet. Meanwhile, Raven must join forces with an unlikely ally to save everyone on board the Mothership.
Air date: 2019-05-14
Runtime: 42 min
Overview: Clarke tries to win over the leaders of Sanctum in order to let her people stay. Meanwhile, Bellamy, Echo and Octavia discover a new threat while on a mission to retrieve the transport ship.
Air date: 2019-05-21
Runtime: 42 min
Overview: Clarke embraces the traditions of Sanctum and tries to make amends for her past actions.
Air date: 2019-05-28
Runtime: 40 min
Overview: Jordan investigates Sanctum. Meanwhile, Octavia and Diyoza discover the threats of the new planet firsthand. Lastly, Bellamy and Clarke butt heads.
Air date: 2019-06-11
Runtime: 42 min
Overview: Diyoza learns more about the mysterious Children of Gabriel while Abby continues searching for a way to save Kane.
Air date: 2019-06-18
Runtime: 42 min
Overview: Clarke’s past catches up to her.
Air date: 2019-06-25
Runtime: 41 min
Overview: Octavia and Diyoza make their way to the mysterious anomaly in search of the Old Man. Meanwhile, Murphy has an offer for Emori.
Air date: 2019-07-09
Runtime: 42 min
Overview: Bellamy must venture into enemy territory with an unlikely companion. Meanwhile, Octavia is forced to confront her past.
Air date: 2019-07-16
Runtime: 42 min
Overview: Russell seeks justice. Meanwhile, Gabriel must make a difficult choice. Lastly, the Blake siblings reunite.
Air date: 2019-07-23
Runtime: 42 min
Overview: Bellamy and Octavia must work together to save their friends. Echo is forced to face her past.
Air date: 2019-07-30
Runtime: 42 min
Overview: A special Naming Day changes everything in Sanctum. Gabriel comes face to face with an old friend.
Air date: 2019-08-06
Runtime: 42 min
Overview: Sanctum becomes a battleground between the devout and the non-believers. The mystery of the anomaly deepens.
