Big Jim is reunited with the wife that he believes is dead, while Barbie and Julia are reunited and realize that the egg is missing. Meanwhile, Joe and Norrie meet Hunter and set out to find the egg, as the temperature beneath the Dome begins to drop.moreless
Before Big Jim can execute Barbie in the town square, an electromagnetic pulse fells many of the townspeople. Meanwhile, Julia rescues a woman who falls into the lake out of nowhere, and Big Jim receives two visitors who try to convince him to see the error of his ways.moreless
As Big Jim continues to secure his power and takes steps to eliminate Barbie, the Monarch is crowned and the Dome sends a familiar face to Joe and Norrie to reveal the secret of the Dome.moreless
While Big Jim convinces the townspeople to hunt Barbie down for his alleged crimes, Joe and Norrie move the mini-Dome
Big Jim frames Barbie for the deaths of his enemies, while Junior abandons the group and they discover the consequences when a storm gathers.
Julie learns about Peter's past, while Junior gets a promotion. Meanwhile, Maxine forces Barbie to fight in a staged arena contest.
Big Jim receives an unexpected visitor from his past, one with connections to another person trapped beneath the Dome. Meanwhile, Joe and Norrie find the source of the Dome in Joe's barn, and Barbie and Linda encounter someone with a connection Chester Mill's drug dealer.moreless
Ollie takes control of the town's water supply and Big Jim must join forces with Barbie and Linda to get it back before his own control of Chester's Mill is threatened.
While Harriet goes into labor, Joe and Norrie investigate the source of the Dome in an attempt to save themselves and their fellow townspeople.
When the townspeople realize that their food and water are running out, they begin looting Chester's Mill for whatever remaining supplies that they can find.
Barbie receives word from the outside that the government is drawing their men back as the Dome interferes with magnetic fields.
When Chester's Mill is stricken by a meningitis outbreak, the townspeople panic when the clinic runs out of medicine and the Dome prevents anyone from bringing in new vaccine. Meanwhile, Julia learns the secret that Peter was hiding from her, and Junior is left in charge.moreless
Joe ends up holding a party at his home where the town's teenagers gather to enjoy one of the few generators in town after the power goes out. Meanwhile, Barbie and Big Jim search for Paul after he escapes custody, and Junior looks for a way out of Chester's Mill.moreless
As the reality of their situation settles in, the townspeople's tempers start to fray. Meanwhile, Big Jim sends Reverend Coggins to remove the evidence from Duke's house, and Junior stalks Barbie.
The townspeople of Chester's Mill discover themselves unexpectedly cut off from the outside world when an invisible dome springs up around the town, sealing them in... with limited food, water, air, and medicine.moreless
Adam, Melissa, and Jake set out on a mission to save Faye after she is attacked by the Witch Hunters. Blackwell tries to convince Cassie and Diana that the only way to stop the Witch Hunters is to use their Balcoin blood to unleash the Crystal Skull. Diana is reluctant to go along with the plan, but Cassie convinces her it's the only way to help their friend. However, Diana will need to tap into her dark magic for the plan to work. Dawn and Charles have an opportunity to get their power back, but it comes at a high cost.moreless
It's Prom night in Chance Harbor, and Blackwell instructs Cassie to user her dark magic to locate a crystal hidden in the school that Adam had uncloaked. Cassie makes a startling discovery when she follows Blackwell's advice. Faye invites Jake to prom even though he stood her up two years before. Melissa, Cassie, Adam, and Diana arrive at prom but find themselves in a life or death situation when Eben gets his hand on the crystal. Meanwhile, Dawn tires to stop Blackwell, who casts a deadly spell on Charles.moreless
When one of the crystals mysteriously disappears from the abandoned house, the Circle comes to the conclusion that it was the traitor witch working with Eben, so Jake sets up a meeting with Isaac to see if the Circle can convince him to join their side. Cassie's struggle to control her dark magic threatens to destroy any possible alliance when their pursuit of the traitor leads them to the "Creepiest Place on Earth." Meanwhile, Faye and Jake team up to steal Dawn's crystal, and Melissa and Adam pair up and discover a new magic trick. Meanwhile, Diana turns to Charles for help with her frustrating situation.moreless
Jake, Cassie, and Faye visit Jake's grandfather, Royce, in search of his family's crystal. At Royce's house, they are faced with some alarming theories about the events that unfolded sixteen years ago. Meanwhile, Diana struggles to balance her effort to help Adam and Melissa search for the Glaser crystal with her romantic life with Grant, who starts to suspect that she is hiding something. At the same time, Callum tires to force his way back into Melissa's life, and Jane and Charles plan their next move against Blackwell.moreless
Samuel, a witch hunter and an old acquaintance of Jake, pays him a surprise visit to deliver a message for Blackwell with some information about Eben's surprising next move. When Cassie intervenes and forces Samuel to reveal his message, she shocked to learn what Eben is trying to resurrect. Diana is frustrated that keeping the secrets of who they are is keeping her from getting closer to Grant. Faye and Melissa agree to help out Adam at the Boathouse in exchange for his help in using magic to enhance their love life.moreless
John Blackwell warns Cassie and Adam that even though they may be destined to end up together, their love is a curse. Blackwell suggests they go visit Cassie's grandmother, Jane, to find out if there is a spell to remove the curse. Jane warns Cassie that someone in the Circle will die if the curse is awakened. Meanwhile, Eva starts stalking Faye and Charles plans his move against Blackwell.moreless
Cassie catches her father sneaking around inside the abandoned house. Cassie tells Adam what she saw, and Adam informs her that Blackwell was looking for a device to drain the power from The Circle and that her father has clearly returned to his old ways. Faye shows up at Lee's house with the intention of inviting him to the school fundraiser, but is surprised when Eva answers the door, claiming to be Lee's girlfriend. Melissa tries to convince Diana to date a normal guy and encourages her to meet a new, handsome guy in Chance Harbor. Dawn runs into Blackwell at the school, but their encounter doesn't go as she had anticipated.moreless
Cassie is shocked when an evil figure from her past arrives at her doorstep. Cassie quickly becomes suspicious when the man asks her to return the medallion she found among the wreckage of the fire that killed the parents of several of The Circle's members. Cassie takes off but is taken captive by Eben and the witch hunters. Jake offers to trade himself to free Cassie, and Adam turns to the Circle for help when he realizes what has happened. Meanwhile, Faye and Diana worry about when Melissa as she starts spending more time with Callum.moreless
Faye and Melissa celebrate Valentine's Day by hosting a girls-only, anti-Valentine's Day slumber party with Cassie and Diana. The night takes an unexpected turn when Melissa offers Diana some "Devil's Spirit." This causes Diana to open up to Lee, who crashes the party to help Faye increase her own power. Cassie seeks the help of Adam and Jake after she becomes haunted by the spirits of some vengeful witches.moreless
In this episode, Cassie (Britt Robertson) and Jake (Chris Zylka) approach Lucy (Lauren Stamile), who has information about Cassie's father's medallion. She tells them it needs the entire Circle's magic to unlock its' powers. However, Cassie can no longer find the medallion as Adam (Thomas Dekkar) has hidden it because he's worried about the dark magic overtaking Cassie. Once he returns it, the entire Circle goes to the woods and Lucy begins a spell. However, she uses the medallion to take their powers, and once Cassie figures it out, she exacts revenge on Lucy.moreless
Jake returns to Chance Harbor to warn Cassie that unless they find out how her father was killed in the boat fire sixteen years ago, she will endure the same death. Jake suggests an extremely dangerous plan to discover the truth about that fateful day, but Adam and Diana suspect he has ulterior motives. Trying to outmaneuver one another, both Charles and Dawn work to get Ethan on board as an ally. Faye finds herself trapped in a dangerous situation when one of Lee's friends, Callum, stops by the shop.moreless
Cassie turns to Adam for help when she starts investigating her father's past, and their search leads them to an eerily familiar place. Working together also rekindles an old flame and Adam, who is happy to be spending time with Cassie again, asks her to the Fire and Ice dance. But Cassie, thinking of her friendship with Diana, gives Adam a surprising response. Trying to be a better father, Ethan volunteers to chaperone the dance, which displeases Adam . Faye asks Lee to help her cast a spell that would give her individual magic, but the spell has some troubling side effects that threaten to destroy the Circle.moreless