In the season finale, the Watcher tries to stop Ultron by bringing together the Guardians of the Multiverse.

?explores how a single choice can turn the reality we knew on its head.

Check out the recaps for episodes 1-5here.

WHAT IF…?

Marvel Studios

Episode 6: Killmonger to the rescue?

It’ll get the best of you, eventually.

On your plane, or on ours."

As the Watcher notes from above, “Heroes are never really gone.

As do the ones they inspire to carry on the fight.”

Episode 7: Party on, Thor!

explores what would happen if Thor grew up an only child.

She parties all night but the hangover is quite a doozy when S.H.I.E.L.D.

comes knocking at her hotel door looking for chaos-causing Thor.

He’s positively charming.

Before Captain Marvel or S.H.I.E.L.D.

She almost buys it until she sees that Mjolnir looks like it’s been through Mardi Gras.

It looks like the party is definitely over.

The Watcher tries to urge him on but it’s Nat who finds the needed file.

This time it’s Clint that sacrifices himself to save Natasha.

But the real action is between Ultron and the Watcher, who battle across the multiverse.

Ultron almost destroys the Watcher but he has one desperate option remaining.

Zombie Scarlet Witch and a horde of zombies barely make a scratch before they are destroyed.

But Killmonger hasn’t been noodling in the background for no reason.

Killmonger and Zola start to wrestle for possession of the Infinity Stones as the others look on in horror.

And as he demonstrates through the season finale, no oath will stop him.