Season 4

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.

1. 

   1. MAKING THE WORLD A BETTER PLACE

   2026-03-18 · 53m

   Mark battles enemies new and old in his fight to keep Earth safe.

2. 

   2. I'LL GIVE YOU THE GRAND TOUR

   2026-03-18 · 51m

   Loyalties are challenged when an old enemy is revealed.

3. 

   3. I GOTTA GET SOME AIR

   2026-03-18 · 49m

   Consequences weigh on Mark. Oliver takes on a new job.

4. 

   4. HURM

   2026-03-25 · 56m

   Hurm.

5. 

   5. GIVE US A MOMENT

   2026-04-01 · 52m

   Mark embarks on a new and dangerous mission, throwing Debbie into a tailspin and plunging Eve into uncertainty.

6. 

   6. YOU LOOK HORRIBLE

   2026-04-08 · 53m

   Family bonds are put to the test. Under pressure, Allen makes a new friend.

7. 

   7. DON'T DO ANYTHING RASH

   2026-04-15 · 54m

   Nothing goes according to plan during a massive confrontation.

8. 

   8. DON'T LEAVE ME HANGING HERE

   2026-04-22 · 52m

   Mark confronts his darkest fears as his life changes forever.