After averting a doomsday in Dallas, the Umbrella siblings return to a very different Academy — now ruled by the powerful and hostile Sparrows.

With their Number One missing, the Sparrows take a hostage. Allison makes a painful discovery. Klaus takes Five on an eye-opening road trip.

As people start disappearing in waves, Five and Lila reluctantly team up to solve their time-travel problem. Klaus sees a new side of his father.

Luther and Sloane hatch a plan to end the war between the families. Viktor reconnects with someone from the past. Five has an unsettling encounter.

Klaus's relationship with death proves more complicated than anyone knew. Viktor finally learns what happened to the Umbrellas' mothers.

Five chases down Pogo, Viktor and Harlan attempt a transfer of powers, and Diego and Lila venture beyond the wall of the White Buffalo Suite.

In 1989, Lila digs up one of her mother's secrets. The families join forces to fight the Kugelblitz. Reginald teaches Klaus to harness his powers.

With the universe collapsing around them, the gang gathers for a day of romance, awkwardness and debauchery at the Hotel Obsidian.

Reginald goes all out to convince the children to sign on to his plan. Five tries to recover a drunken memory. Allison has a change of heart.

Shaken, the family confronts the deadly mysteries of the Hotel Oblivion — and the growing suspicion that their mission is not what it seems.

The family teams up to find a kidnapped Viktor while attempting to adjust to normal life. Lila and Five probe a mysterious group called the Keepers.

With their powers restored, the gang embarks on a mission to find Sy Grossman's daughter. But they soon encounter hostility in a seemingly quaint town.

The group splits up to find Jennifer. Later on, they pay Reginald a visit, confronting memories that hold critical clues to their mission.

After learning the truth about Jennifer, the crew sets out to find her and Ben. Klaus hustles to escape his plight. Five and Lila try to change the past.

Lila and Five get lost traversing various timelines. Meanwhile, Viktor and Reginald aim to stop Ben, whose union with Jennifer sets forth a lethal path.

With Ben and Jennifer in peril and the Cleanse underway, the family unites for one last fight to save the world — and end the infinite devastation.