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

Jaha and Kane disagree over how to handle their grim reality. Meanwhile, Clarke leads a group to save a friend.

Clarke faces the consequences of her fateful choice.

Octavia fights in the final battle for her people’s survival, but not everyone is willing to play fair.

Jasper and Bellamy go on a quest. Meanwhile, Clarke struggles to keep the peace after word of Jaha’s discovery spreads.

After a disappointing discovery, Clarke and Abby question how far they’re willing to go. Meanwhile, Jaha finds a lead to the mysterious Second Dawn.

Clarke’s arrival on the island quickly takes a turn for the worse. Meanwhile, Bellamy tries to avoid further tragedy in Arkadia.

Clarke and Roan are forced to work together when they are tasked to deliver a dangerous but crucial asset to Abby through enemy territories.

Clarke makes a desperate plea with a former allied force in an attempt to avoid a war and ensure the survival of her people.

Continued struggles with leadership and trust in Arkadia and Polis take violent turns while Abby leads a team to a distant location hoping to find answers.

Jaha leads Clarke and Bellamy down a road to possible salvation while tensions rise in Arkadia and Polis.

The burden of leading weighs heavily upon Clarke and Bellamy when different challenges force them to determine who will live and die.

Clarke and her friends struggle with how to proceed after the fate of the world is revealed.

Lagertha is betrayed, and Bjorn must find a way to support the distraught queen; Floki and his settlers arrive in a new land, but it is far from what they…

Ivar meets his match in Bishop Heahmund; Floki returns to Kattegat; Bjorn receives a lavish welcome in North Africa.

Guided by Bishop Heahmund’s visions, the Saxons devise a battle plan; Ivar the Boneless strategizes as the Vikings undergo increasing pressure; Bjorn Ironside finds himself in a new territory and…

Celebrations are cut short in the aftermath of the battle at York; Ragnar Lothbrok’s sons are pitted against each other as tensions reach an all-time high, and each is forced…

Tensions mount between the sons of Ragnar Lothbrok; with King Aethelwulf and his family still in hiding, Heahmund, the warrior bishop, rallies the Saxons to defend the Realm, as the…

Tensions mount between the sons of Ragnar Lothbrok as the Vikings continue to threaten the very heart of England. As the Great Army moves to take York, with King Aethelwulf…

Prince Aethelwulf finds himself subject to the Vikings’ battle master plan. Ecbert remains behind with a plan of his own.

The Viking army causes panic in the English countryside as King Ecbert and Aethelwulf plan the defense of the realm.

Ragnar’s plan comes to fruition. The Viking army lands on the coast of Northumbria.

The Viking army begins to gather in Kattegat. Lagertha must remain vigilant in the absence of her son, Bjorn.

Bjorn’s fleet sails onward and launches a surprise attack. Back in Kattegat, Lagertha continues in her quest for power.

Kai sets his master plan into motion as Ally’s true intentions are revealed.

Kai receives visits from Charles Manson as he begins to question everyone around him.

Kai seeks to test the loyalty of his cult. Ally seeks revenge. Oz learns about his parentage.

Ally confronts Kai meanwhile Winter must choose between Kai and Beverly when he makes a questionable decision.

Ally takes Meadow to Rudy in the hopes that she will confirm her story about the cult. However, Meadow has a change of heart. Meanwhile, an unexpected opponent runs against…

Kai asks for the cult members to prove their loyalty against one of their own. Meanwhile, Ally meets with Rudy to tell him about her problems dealing with Ivy’s departure.

Kai gathers familiar faces to join his cult as the events surrounding 11/8/17 are explored.

The community turns on Ally after she shoots and kills a Hispanic man. At home tensions between Ally and Ivy grow worse, and Kai may be Ally’s only hope.

Ally, Ivy and Oz meet the new neighbors. Kai runs for city council. Detective Samuels investigates a murder. A blackout terrorizes Ally.

After Trump is elected President, Ally Mayfair-Richards is beset by all of her old phobias… and they appear to be coming to life.

Amunet kidnaps Caitlin and puts meta-dampener handcuffs on her to keep her from turning into Killer Frost. Amunet tells Caitlin she needs her to perform a tricky medical task and…

Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super…

Barry comes face to face with DeVoe. Devoe’s past is revealed through flashbacks. Meanwhile, Iris puts the final touches on the wedding, which is a week away.

When collectors of Native American artifacts are attacked by a meta named Mina Chayton who can bring inanimate objects to life, Barry turns to a surprising ally for help. Determined…

Having received an ominous threat from her old boss, Amunet, Caitlin fears that her past time as Killer Frost may be back to haunt her. Felicity comes to Central City…