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What If...? Season 3 poster
Complete What If...?

What If...? Season 3 Episode release dates & where to watch

Premiered

Sunday, December 22, 2024

Ended: Sunday, December 29, 2024

When does What If...? Season 3 come out?

What If...? Season 3 premiered Sunday, December 22, 2024 on Disney+ and ended Sunday, December 29, 2024. The season has 8 episodes.

Season 3 follows classic characters as they make unexpected choices that will mutate their worlds into spectacular alternate versions of the MCU.

Last updated

What If...? Season 3 release schedule

What If...? Season 3 episode release dates
Episode Release date

1. What If... The Hulk Fought the Mech Avengers?

Captain America/Sam Wilson must suit up in a colossal mech suit to battle Bruce Banner after an attempt to cure himself of the Hulk goes horribly wrong. Bucky Barnes, Monica Rambeau, Moon Knight, and others must join Sam as his new team of Mech Avengers.

Sunday · 1 year ago

2. What If... Agatha Went to Hollywood?

On the set of Stark Pictures' first production, the playboy auteur quickly finds himself enchanted by his bewitching lead actress, Agatha Harkness. Little does she know there will be another superpower co-star on the call sheet… Kingo.

Monday · 1 year ago

3. What If... The Red Guardian Stopped the Winter Soldier?

It is 1991, and the Red Guardian takes it upon himself to join a high-profile mission and prove himself to his Red Room superiors. When his antics interfere with the Winter Soldier's own mission to kill Howard Stark, the two Soviet supersoldiers must form an alliance to escape the United States.

Tuesday · 1 year ago

4. What If... Howard the Duck Got Hitched?

Howard the Duck and Darcy Lewis find themselves on an intergalactic pleasure cruise. When dangerous factions from across the galaxy descend to threaten their trip, they must discover their own cosmic powers to withstand the onslaught.

Wednesday · 1 year ago

5. What If... The Emergence Destroyed the Earth?

In a Universe where The Eternals never stopped The Emergence, the birth of an incubating Celestial shatters the Earth. Civilization endures on the rocky remnants of our planet, where Quentin Beck leads an authoritarian regime until freedom fighters recruit Riri Williams on a deadly mission to take him down.

Thursday · 1 year ago

6. What If... 1872?

In a universe where the heroes of the MCU live in the Old West, Shang-Chi and his pistol-packing partner, Kate Bishop, traverse the frontier, saving the innocent from the evils of The Hood.

Friday · 1 year ago

7. What If... The Watcher Disappeared? (1)

The Watcher must stand trial for his many interventions.

Saturday · 1 year ago

8. What If... What If? (2) Finale

The end of the beginning...

Sunday · 1 year ago

What If...? Season 3 guest stars

  • Dominic Cooper

    Dominic Cooper

    Howard Stark (voice)

  • Michael Rooker

    Michael Rooker

    Yondu (voice)

  • Josh Brolin

    Josh Brolin

    Thanos (voice)

  • Sebastian Stan

    Sebastian Stan

    Bucky Barnes (voice)

  • Emily VanCamp

    Emily VanCamp

    Sharon Carter (voice)

  • Tom Vaughan-Lawlor

    Tom Vaughan-Lawlor

    Ebony Maw (voice)

  • Matthew Yang King

    Matthew Yang King

    Additional Voices (voice)

  • Debra Wilson

    Debra Wilson

    Additional Voices (voice)

  • Kat Dennings

    Kat Dennings

    Darcy (voice)

  • Taika Waititi

    Taika Waititi

    Korg (voice)

  • Karen Gillan

    Karen Gillan

    Nebula (voice)

  • Seth Green

    Seth Green

    Howard the Duck (voice)

  • Rachel House

    Rachel House

    Topaz (voice)

  • June Christopher

    June Christopher

    Additional Voices (voice)

  • Kaitlyn Robrock

    Kaitlyn Robrock

    Additional Voices (voice)

  • Piotr Michael

    Piotr Michael

    Additional Voices (voice)

What If...? Season 3 FAQ

When does What If...? Season 3 come out?

What If...? Season 3 premiered Sunday, December 22, 2024 on Disney+.

How many episodes are in What If...? Season 3?

What If...? Season 3 has 8 episodes.

Are new episodes of What If...? Season 3 released weekly?

New episodes are released daily.

When is the What If...? Season 3 finale?

The What If...? Season 3 finale (Episode 8) aired Sunday, December 29, 2024.

How do I get notified when new What If...? Season 3 episodes are released?

Download the Streambay app and follow What If...?. You'll get a push notification the moment each new episode is out.

Never miss What If...? Season 3.

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