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.

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.

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.

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.

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

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

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

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.

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.

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

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

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

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.

Years after they rose to fame as young crime-fighting superheroes, the estranged Hargreeves siblings come together to mark their father's death.

After sharing the story of his time travel with Vanya, Five hunts for the owner of a fake eye. But two mysterious assassins are hot on his trail.

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.

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.

Worried their mother is hiding something, Luther and Allison call a family meeting. Cha-Cha and Hazel catch a big break in their hunt for Five.

The story of Luther's transformation emerges. At the motel, Klaus puts Hazel and Cha-Cha's training to the test. Allison grows suspicious of Leonard.

An incident at the bar leads Luther to Vanya. Five finds an unsettling surprise in the film Hazel left behind. The cops come after Allison's husband.

While Allison searches frantically for Ray, Vanya contends with a crisis at the farm, and Five, Diego, and Lila crash a party at the Mexican Consulate.

With a second chance at the day, the siblings team up to find the mysterious "Harold Jenkins." Leonard takes Vanya into the woods to test her powers.

Summoned to an emergency meeting, the siblings hatch very different plans for how to spend their last six days on Earth. Lila confronts her mother.

Five lets Luther in on his secret, Klaus returns from a harrowing trip through time, and Vanya begins to feel different without her meds.