Locals prepare to celebrate the annual Casket Girls Festival in the French Quarter. Davina tries to free Cami from Klaus’s mind compulsion. Hayley is forced to make a difficult decision…

Clarke comes back to Camp Jaha with some shocking news. Finn has to face the consequences of his actions.

Bellamy is able to get Clarke to agree to accompany him to the drop ship. Dr. Tsing is in charge of a deadly experiment.

Tensions are running high between Clarke and Finn. Raven finds out that Mount Weather is interfering with their communication systems.

Kane takes part in a mission to make peace with the Grounders. Jasper decides to take part in a risky experiment. Lincoln enters a world of pain and President Dante…

Clarke ends up being betrayed by somebody that she trusted. Bellamy, Finn and Murphy attempt to save a stranger.

After discovering a horrifying project in Mount Weather’s medical ward, Clarke joins forces with an unexpected ally.

Clarke wants answers from the President. Abby performs emergency surgery. Octavia will do anything to find Lincoln.

Clarke is still on her own in the white room, frantically attempting to make sense of her bizarre surroundings. Lincoln and Octavia’s plan is ruined and an enemy returns.

As the remaining members of the 100 face off against the Grounders, Jaha makes a noble sacrifice to ensure the Ark makes it to Earth.

Clarke and Finn come face to face with a new enemy after Lincoln rescues them from Anya, while Bellamy, Raven, Octavia and Jasper deal with a vengeful Murphy. On the…

Clarke and Finn are captured by Anya, who forces them to save the life of a victim of the explosion. Meanwhile, Raven deals with her split from Finn, and Kane…

Murphy returns to the camp carrying a horrific virus created by the Grounders to weaken the camp. After learning the Grounders plan to attack the next day, Bellamy, Finn and…

Finn arranges a meeting with Clarke and the leader of the Grounders in order to bring peace, however a sceptical Clarke warns Bellamy, who along with Jasper and Raven follow…

Shumway secretly orders one of the 100 to kill Bellamy. Meanwhile, hallucinogenic nuts provide Octavia with an opportunity to help the Grounder escape the camp, and Bellamy and Clarke investigate…

While Bellamy tortures the Grounder, Raven and Clarke make contact with the Ark and ask Abby to help them save Finn. On the Ark, Kane deals with his guilt, and…

Bellamy, Finn and Jasper head into Grounder territory to search for Octavia, as flashbacks show the siblings’ difficult childhood on the Ark. Meanwhile, Raven finds out about Clarke and Finn.

A plan to contact the Ark is put in motion after Raven crash lands on Earth. Meanwhile, Abby exposes Kane’s plan to reduce the population of the Ark.

Bellamy, Clarke and Finn try to protect Charlotte when everyone learns she killed Wells. On the Ark, Abby risks getting floated in order to give Raven the chance to launch…

As a dangerous, acidic fog approaches, Clarke, Finn and Wells set out in search of a seaweed-like plant to make an antibiotic poultice for Jasper’s wounds, while a vulnerable young…

Discovering that Jasper may still be alive, Clarke, Bellamy, Finn, Wells and Murphy head out to find him. On the Ark, Abby is determined to prove Earth is habitable, and…

97 years after a nuclear war, human kind is living in space. 100 juvenile delinquents are sent down to Earth to see if the planet is habitable.

Ragnar and King Horik return to Kattegat; Ragnar places his trust in those who have stood by him.

Ragnar’s warriors march on to King Ecbert’s villa and are met with a surprisingly vicious welcome party.

Princess Aslaug’s latest prophecy comes to fruition as she readies to give birth once more; Ragnar and Horik have very different ideas about the true purpose of their trip to…

Ragnar and King Horik clash over how to dispense justice to Jarl Borg; King Aelle in Wessex; Ecbert has an eye on a new alliance.

King Horik returns to Kattegat with a surprising proposition for Ragnar; Lagertha runs into a less than enthusiastic homecoming from her new husband; Athelstan becomes confidant to King Ecbert.

Lagertha and Ragnar unite to try to win Kattegat back from Jarl Borg; Aslaug must face the truth of her prophecies; Athelstan struggles to define his faith; Bjorn must once…

Ragnar and Ecbert come face to face; Jarl Borg rules Kattegat with an iron fist; Rollo must now become the leader his people need in Ragnar’s absence.

King Ecbert finds himself facing an entirely new kind of foe; Ragnar races to dominate in the west; Jarl Borg has his own plans in store for the future of…

The time has come for an unlikely alliance to band together for a new raid on England; a storm pushes the Viking fleet to a new destination; Ragnar and his…

The battle begins between Ragnar and King Horik’s forces against Jarl Borg; Princess Aslaug makes her way to Kattegat.

The death of a Freak sparks troubling behavior in Pepper. Elsa reveals the history of the Freak Show. Desiree grows suspicious of Maggie.

In the wake of a tragic loss, Jimmy sinks into a drunken despair. A reading from Maggie spurs Dandy to action. Stanley and Elsa track down the Twins.

Recent disappearances around camp raise Ethel’s suspicion of Elsa. Gloria makes a last ditch effort to contain Dandy’s bloodlust.

The women of the Freak Show rally against Dell after his latest act of violence. A strange encounter with Dandy raises Jimmy’s suspicion about the clown murders.

Elsa unveils a dangerous new act. Stanley puts pressure on Maggie to murder Jimmy. Paul indulges in a secret romance.

Stanley and Maggie hatch a plan to murder the Freaks. Gloria hides the evidence of Dandy’s gruesome new hobby. A health scare reveals Desiree may not be the oddity she…

Edward Mordrake continues his search for a Freak to add to his ghostly coterie. Elsa tells the grisly story of her days in Germany. Jimmy and Maggie have a run-in…

The freaks refuse to perform on Halloween due to an old carny superstition; Jimmy is smitten by a woman claiming to be a fortuneteller; Ethel receives life-changing news.