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

Sporting a new hairdo and attitude, Kinsey takes a chance with Scot by sharing what’s going on inside her head. Tyler tries to impress his crush.

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

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.

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.

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.

While Nina uncovers details about Rendell’s past, Kinsey helps out the Savini Squad, Tyler falls in with a bad crowd, and Bode finds another key.

Locating a powerful new key sends Bode’s spirit soaring. Tyler’s simmering rage boils over. Kinsey realizes just how much her fear is holding her back.

The Boys head to the “Believe” Expo to follow a promising lead in their ongoing war against the Supes. There might — MIGHT — be a homicidal infant, but you’ll…