: Professor Bill Ward, now serving a life sentence for his actions in Season 2, is forced to confront the painful secrets behind his sacrifice as he is pulled back into the fight. Why This Episode Matters

: Kariem continues his investigation into a mysterious global psychosis, while Catherine Durand researches a strange phenomenon in space.

This episode leans heavily into "action science" and detective work rather than pure combat. It explores the consequences of the Season 2 timeline reset, specifically how the "invaders" stowed away and are now working to build a new time machine.

: Astronauts Juliet Arquette and Richard Gallagher witness disturbing warning signs from the International Space Station, discovering the start of Adina’s sinister new mission.