Season 4

2026 · 8 episodes

While the world recovers from the global catastrophe of last season, a changed Mark struggles with guilt as he fights to protect his home and the people he loves, setting him on a collision course with a powerful new threat that could alter the fate of humanity forever.

1MAKING THE WORLD A BETTER PLACEMark battles enemies new and old in his fight to keep Earth safe.
2I'LL GIVE YOU THE GRAND TOURLoyalties are challenged when an old enemy is revealed.
3I GOTTA GET SOME AIRConsequences weigh on Mark. Oliver takes on a new job.
4HURMHurm.
5GIVE US A MOMENTMark embarks on a new and dangerous mission, throwing Debbie into a tailspin and plunging Eve into uncertainty.
6YOU LOOK HORRIBLEFamily bonds are put to the test. Under pressure, Allen makes a new friend.
7DON'T DO ANYTHING RASHNothing goes according to plan during a massive confrontation.
8DON'T LEAVE ME HANGING HEREMark confronts his darkest fears as his life changes forever.

Episodes