The Umbrella Academy Season 3 Review & Ending Explained

The Umbrella Academy season 3 is available on Netflix. The finale of the season leaves you with more questions than answers. The Hargreeves siblings face the usual apocalyptic threat, time jaunts, and even a change in history.
After meeting their father Reginald Hargreeves in 1963, he decided that he would adopt another set of super-powered siblings. Sparrow Academy has replaced the Umbrella Academy and families are not happy to compete. The Hargreeves are not in control of things.
There are major spoilers in the ending of The Umbrella Academy season 3.
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The Umbrella Academy season 3 ending recap

The finale of The Umbrella Academy season 3 sees the Hargreeves (both Umbrellas and Sparrows) venture through the portal from the White Buffalo Suite at the Hotel Obsidian towards the Hotel Oblivion.
In an effort to bring the family closer, Reginald (Tom Hopper) kills Luther (at the end of episode 9). Reginald stops Klaus (Robert Sheehan), who is trying to enter the tunnel to Oblivion along with the others. He’s then engulfed by the Kugelblitz. In the afterlife, the now-dead siblings meet again and Luther tells Klaus the reason for his death. He is unaware that Reginald was involved.
In the wake of Luther’s and Klaus’ deaths, everyone is uncertain of themselves and distrustful of each other. Reginald says that the bells can be used as a metaphor for a symbol of a sigil. They need to find this symbol in order to reset the universe.
To find it, they split up into groups: Diego (David Castaneda), Lila (Ritu Ariana), and Viktor (Elliot Page) team up. Alison (Emmy Raver–Lampman), Ben (Justin H. Min), and Sloane (“Genesis Rodriguez”) also team up. Reginald is seen lingering in the lobby of the hotel.

Each group meets a different samurai. The alternate version of the hotel does not look as it appears and the group splits up as they end up in an identical hallway.
Five people discover that the lobby’s symbols form the sigil. Just as the last samurai crashes through a lobby ceiling, he slices off his arm. Seven must stand on seven stars. Reginald stops Alison from trying to join them. Five, Sloane and Ben, Sloane and Diego, as well as Lila, take their places. A powerful beam of light joins them, which kills the last remaining Samurai.
The facade of the hotel is revealed as they are in a machine in another dimension. The machine that will reset all the dimensions is fueled by the particles found in the seven bodies of the seven people, but it is also killing them. Reginald will make this sacrifice, but Alison is not. He is attacked by her and she presses the big red button on his control pad.

The screen turns black and Alison gets out of the taxi. Claire is asleep in her bed when she lets herself into the house. Ray (Yusuf Gatewood), her husband in 1963, is seen in the doorway dressed in modern clothing as she checks on Claire.
Others step out of an elevator and into the open air. A plaque indicates they are in Obsidian Memorial Plaza. It was donated by Reginald Hargreeves October 1, 1989. This is the date of the birth of the Umbrella Academy and Sparrow Academies. The plaza’s center is home to a bust of Reginald, which is located in the middle of a star with six sides.
Luther is still alive, but he has lost his muscular, ape-like body. Five’s arm is back and Diego’s fingers have returned. All of their powers are gone. Sloane is not there. All of them disperse with Luther determined to find Sloane. Ending the finale, Reginald stands at the top of Hargreeves Financial’s skyscraper with his wife Abigail, who is still alive.
What is the Kugelblitz?

After the Umbrella Academy returns in the present, the Kugelblitz appears in the basement of the Sparrows. It is a mysterious ball of light, energy and light that can suck people into it and kill them. Later, it sends waves of power out to all who are in its path.
What is the Hotel Oblivion?

The Hotel Oblivion, an alternative version to the Hotel Obsidian, can be accessed through a tunnel in the White Buffalo Suite. The hotel facade is only a façade and Oblivion actually exists in another dimension.
Who is Lester Pocket?

Harlan Cooper is actually Lester Pocket, the nonverbal child Viktor took care of in Dallas in 1963. He senses Viktor is near again 46 years later and sets out to find him. He has had to constantly move and restart many times because of his powers, and the fact that he doesn’t have control over them.
This is especially true in his younger years. Harlan shares similar powers to Viktor in telekinetics, which were given to him by Viktor when he saved his life. Season 3 Episode 4 reveals that Harlan is the Grandfather Paradox’s cause. He’s also no longer nonverbal as an adult.
What is the Grandfather Paradox?

The Kugelblitz is caused by the Grandfather Paradox. The Commission handbook contains a case study that describes a boy who has a hatred for his grandfather. This is the origin of the Kugelblitz. The boy blames his grandfather for everything that happened in his life and goes back in time in order to kill him.
He kills his grandfather before his grandmother (AKA his mother) was born. This means that the boy has never existed in the new timeline. How can he kill his grandfather if the boy isn’t real? This creates a paradox.
Harlan’s mother Sissy, who died October 1, 1989 (also known as the birth date for the Umbrella Academy), was killed. Harlan is overcome by grief and loses control over his powers, which can lead to devastating consequences. Harlan was able to sense the powers of others and connect with his birth mothers at Umbrella Academy. The surge of his powers caused all of them to die (except Ben, who is a Sparrow in this timeline).
What does this have to do with the Grandfather Paradox? If the Hargreeves’ mothers are deceased, they shouldn’t be in this timeline. They do exist, and the paradox (and the Kugelblitz) is created.
Why did Reginald kill Luther and Klaus?

Reginald attacks Luther at the end of episode 9 because he believes his death will unify the two families. Earlier in the episode, the group votes whether to venture into Oblivion to stop the impending apocalypse, or to stay in the Hotel Obsidian to try to come up with a plan. The vote is split. Reginald wants everyone in Oblivion so he needs to have unanimous support.
Klaus is stopped from going into the tunnel to Oblivion by Reginald later, as the Kugelblitz threatens to engulf Hotel Obsidian. Reginald says that he was using Klaus to gain favor with their family. Klaus had been convinced that he had changed by Reginald, and Klaus fed that information back to the rest. Reginald, however, felt Klaus was not worth the trouble after he had succeeded.
What happens to the Umbrella Academy at the end of season 3?

After the universe resets, Luther, Klaus and Diego, Viktor and Five, as well as Sparrow Ben, leave the hotel. Luther is still alive, Five has two arms and Diego all his fingers. Mid-credits footage suggests that Umbrella Ben may also be alive. But, Luther and all the others have lost their abilities.
How did Luther and Klaus come back to life?

Luther was brought back to life by the universe resetting. Klaus discovered in season 3 that he can communicate with the dead and also has the ability to return from the dead. He’s basically immortal. Ironically, Reginald’s experiments with Klaus in episode 7 were what made him ready to die at the hands of his father.
What happens to the Sparrow Academy at the end of season 3?

In episode 1, Marcus is killed by Kugelblitz and Harlan kills Jayme, Alphonso and Jayme at the Hotel Obsidian in the standoff that ensues in episode 3. After unsuccessful attempts to stop it, Christopher and Fei are also killed in episode 7. Sloane has disappeared after the universe resets. For now, Ben is the only Sparrow Academy member left.
Who is Abigail Hargreeves?

In episode 9, we flashback to Luther’s time at the moon. We see that a woman is in a cryogenic chamber close to his base. According to the label, it is Abigail Hargreeves (deceased).
This is Abigail’s first appearance since season 1. The first season ended with an outlandish flashback. It involved a younger Reginald talking to a woman in bed, and this was the first time we have seen her since season 1. After a brief conversation, it seems that Reginald has to leave her behind. Although the woman was not named in the scene’s credits, it was identified as Reginald’s wife, Abigail Hargreeves (played here by Liisa Repo Martell).
At the end of episode 10, we see Abigail once again – she is standing right next to Reginald again, still alive, and looking out at the skyline from the Hargreeves Financial headquarters.
How did Ben die?

We don’t yet know the exact cause of Umbrella Ben’s death. It was already known that the incident occurred on an Umbrella Academy mission. Season 3 revealed that the incident was caused by something his siblings call “the Jennifer incident”. Who is Jennifer? Sparrow Ben’s bedroom is filled with drawings of Jennifer, but it remains to be determined her identity.
Where is Sloane?

Sloane’s whereabouts are not known at the moment. She doesn’t appear to be in the elevator when the universe resets. Luther begins to search for Sloane at the end of episode 10.