As Kai begins his Wu Assassin training, more mundane concerns find him turning to Lu Xin for a favor. Jenny prepares for her exacting parents to visit.

Flashbacks reveal a haunting connection between Marshall and the early migration. Meanwhile, Jude investigates a mysterious disappearance, and Sophie risks her life and career to help Reece save her daughter.

Vanessa wills Axel into The Dark Realm where they both discover secrets of their past that may help them in the future.

Shaun, Jared and Charlie’s young patient need his parents to agree on an important medical decision that could greatly improve his health; however, his parents are unable to agree on…

Oliver continues his battle with Cayden James. Dinah and Oliver have a major disagreement that endangers the life of one of their own.

Lincoln travels to the other side to join forces with Fauxlivia and his own alternate, as they search for a vigilante with a surprising connection to the shapeshifters.

Clark hears his mother’s voice trapped in Kara’s crystal, and releases her. She gives him Jor-El’s ring made of Blue Kryptonite, which strips him of his powers.

With a plan to potentially extinguish the Replicator threat, the Atlantis team must seek an alliance with a fleet of Wraith ships.

Sam and Dean investigate a series of odd murders that strangely resemble fairytales and urban legends. The brothers track down an 11-year-old boy named Jesse and realize that whatever Jesse…