Where to watch What If...? Season 1
What If...? season 1 is streaming in Australia on Disney+ (subscription, listed for the whole show). Season 1 was released on 11 August 2021.
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Subscription · Listed for the whole show
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Availability checked 30 October 2026. Streaming availability data from JustWatch.
What If...? Season 1 episodes
S01 E01
What If… Captain Carter Were The First Avenger?
36 mins · Wed, 11 Aug 2021
When Steve Rogers is seriously injured, Peggy Carter becomes the world’s first Super Soldier.
S01 E02
What If… T'Challa Became a Star-Lord?
37 mins · Wed, 18 Aug 2021
The rough-and-tumble space pirates known as the Ravagers abduct T’Challa instead of Peter Quill.
S01 E03
What If… The World Lost Its Mightiest Heroes?
35 mins · Wed, 25 Aug 2021
Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer.
S01 E04
What If… Doctor Strange Lost His Heart Instead of His Hands?
38 mins · Wed, 1 Sep 2021
A grief-stricken Doctor Strange uses the Eye of Agamotto in a dangerous effort to change the past.
S01 E05
What If… Zombies!?
34 mins · Wed, 8 Sep 2021
When The Avengers are infected by a zombie plague, surviving heroes search for a cure.
S01 E06
What If… Killmonger Rescued Tony Stark?
36 mins · Wed, 15 Sep 2021
An American soldier called Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan.
S01 E07
What If… Thor Were an Only Child?
38 mins · Wed, 22 Sep 2021
Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth.
S01 E08
What If… Ultron Won?
32 mins · Wed, 29 Sep 2021
Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.
S01 E09
What If… The Watcher Broke His Oath?
37 mins · Wed, 6 Oct 2021
The Watcher breaks his oath and recruits heroes from across the multiverse to battle against Ultron.