The Umbrella Academy. (L to R) Robert Sheehan as Klaus Hargreeves, Justin H. Min as Ben Hargreeves, Ritu Arya as Lila Pitts, Elliot Page as Viktor Hargreeves, Emmy Raver-Lampman as Allison ...

New Umbrella Academy Characters. Season 2 ended with the Hargreeves siblings having successfully stopped nuclear war from breaking out in 1963 and time-traveling back to 2019.

Throughout the series, the Umbrella Academy siblings and members of the Commission have been the only ones to know that multiple timelines of reality exist. However, all that changes in Season Four.