David, Emma and Mr. Gold try to protect Mary Margaret from a vengeful Regina; a man and his son find their way into Storybrooke.

Ruby’s fear about turning into a wolf is confirmed when she becomes the prime suspect for a vicious murder; Leroy finds treasure in a Storybrooke mine that could help Emma…

Mr. Gold attempts to uncover the true identity of August, Emma confronts Regina about her involvement in Kathryn’s disappearance, and David tries to apologize and reconcile with Mary Margaret. Meanwhile,…

As Sheriff Graham deputizes Emma, the ground shakes and a giant sinkhole mysteriously appears at the edge of town. But a curious Henry’s life is placed in danger when he…

Emma tries to help a young pregnant woman escape from the clutches of Mr. Gold. Meanwhile, back in the fairytale world that was, Cinderella makes a regrettable deal with Rumplestiltskin.

Oliver and Diggle race to stop the Dark Archer from unleashing his vengeance on The Glades. However, they run into a roadblock after Detective Lance picks up Felicity for questioning….

With the Undertaking days away, Malcolm dons his black hood to conclude business with seismologist Dr. Brion Markov and his team. Oliver and Moira entertain a number of surprise –…

Felicity tells Oliver he’s all work and no play, so he asks Detective McKenna on a date. A jewel thief named Dodger hits Starling City and targets someone very close…

Clarke struggles to survive on a desolate, scorched earth while her friends in space come across a long-awaited beacon of hope.

Jaha makes a surprising move. Clarke gets help from an unexpected source. Lincoln seeks revenge.

Wick and Raven are faced with a setback. Maya and Jasper witness a terrible act.

Clarke begins to question Lexa’s leadership decisions and Indra continues to push Octavia. Meanwhile, at Mount Weather, Jasper steps up into the role of leader, and Cage throws Maya into…

Clarke is faced with a difficult choice and Raven helps Bellamy navigate Mount Weather as Dr. Tsing begins to harvest the 47, while Jaha and Murphy encounter a stranger on…

Lincoln and Bellamy’s efforts to get into Mount Weather has some brutal consequences.

Lexa and Clarke manage to make a deal.The newly created alliance is under threat. Monty comes up with a plan.

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.

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

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…

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…