The battle over the Omega Key leads to decisions that can’t be undone — and a dangerous door that promises plenty of trouble ahead.

As pieces begin to click into place for the Locke siblings, Ellie opens up about her connection to Dodge, and Kinsey comes clean with her friends.

Tyler and Kinsey feel torn when they figure out why Nina is acting strangely. Bode meets Rufus and Ellie’s houseguest. Dodge zeroes in on the Omega Key.

The Locke family faces their worst nightmare when the person responsible for shattering their lives resurfaces and demands one of the keys.

Kinsey explores the sea cave with the Savini Squad in tow, Nina confronts Ellie over Joe, and Tyler sabotages his relationship with Jackie.

After the Lockes move into Keyhouse, Bode makes a new acquaintance — and a startling discovery. Tyler and Kinsey try to start over at a new high school.

Inventor Nikola Tesla is at war with his rival Thomas Edison. However, there’s an even greater threat in their midst. Location: New York/Niagara Falls, Earth Date: 1903 Enemies: Queen of the Skithra, Skithra

Determined to give Frank a second chance, Archie gives him a job at Andrew’s Construction. Betty channels her energy into taking Bret down and defeating Stonewall Prep at the Quiz Show Championship, while Veronica and Cheryl team up for an unlikely business venture. Finally, Kevin’s date with a new suitor takes a strange and unexpected […]

Jibril has a striking vision in the desert. Eva finally gets hard intel on al-Masih, whose devotees form a convoy to follow him out of Texas.

News of a marvel electrifies the phenomenon around al-Masih, but Eva’s skepticism deepens. Jibril’s and Samer’s paths diverge amid political unrest.