Taking inspiration from the comic books of the same name, each episode of this animated anthology series questions, revisits and twists classic Marvel Cinematic moments.
You can now watch What If...? online on the following streaming providers in the United States.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | What If… Captain Carter Were the First Avenger? | 2021-08-11 | 33 min |
| Season 1 | Episode 2 | What If… T'Challa Became a Star-Lord? | 2021-08-18 | 32 min |
| Season 1 | Episode 3 | What If... The World Lost its Mightiest Heroes? | 2021-08-25 | 32 min |
| Season 1 | Episode 4 | What If… Doctor Strange Lost His Heart Instead of His Hands? | 2021-09-01 | 36 min |
| Season 1 | Episode 5 | What If... Zombies!? | 2021-09-08 | 30 min |
| Season 1 | Episode 6 | What If… Killmonger Rescued Tony Stark? | 2021-09-15 | 33 min |
| Season 1 | Episode 7 | What If… Thor Were an Only Child? | 2021-09-22 | 33 min |
| Season 1 | Episode 8 | What If... Ultron Won? | 2021-09-29 | 30 min |
| Season 1 | Episode 9 | What If... The Watcher Broke His Oath? | 2021-10-06 | 35 min |
| Season 2 | Episode 1 | What If... Nebula Joined the Nova Corps? | 2023-12-22 | 29 min |
| Season 2 | Episode 2 | What If... Peter Quill Attacked Earth's Mightiest Heroes? | 2023-12-23 | 30 min |
| Season 2 | Episode 3 | What If... Happy Hogan Saved Christmas? | 2023-12-24 | 27 min |
| Season 2 | Episode 4 | What If... Iron Man Crashed into the Grandmaster? | 2023-12-25 | 32 min |
| Season 2 | Episode 5 | What If... Captain Carter Fought the Hydra Stomper? | 2023-12-26 | 31 min |
| Season 2 | Episode 6 | What If... Kahhori Reshaped the World? | 2023-12-27 | 32 min |
| Season 2 | Episode 7 | What If... Hela Found the Ten Rings? | 2023-12-28 | 29 min |
| Season 2 | Episode 8 | What If... The Avengers Assembled in 1602? | 2023-12-29 | 30 min |
| Season 2 | Episode 9 | What If... Strange Supreme Intervened? | 2023-12-30 | 31 min |
| Season 3 | Episode 1 | What If... The Hulk Fought the Mech Avengers? | 2024-12-22 | 29 min |
| Season 3 | Episode 2 | What If... Agatha Went to Hollywood? | 2024-12-23 | 28 min |
| Season 3 | Episode 3 | What If... The Red Guardian Stopped the Winter Soldier? | 2024-12-24 | 30 min |
| Season 3 | Episode 4 | What If... Howard the Duck Got Hitched? | 2024-12-25 | 30 min |
| Season 3 | Episode 5 | What If... The Emergence Destroyed the Earth? | 2024-12-26 | 31 min |
| Season 3 | Episode 6 | What If... 1872? | 2024-12-27 | 30 min |
| Season 3 | Episode 7 | What If... The Watcher Disappeared? | 2024-12-28 | 25 min |
| Season 3 | Episode 8 | What If... What If? | 2024-12-29 | 32 min |
| Production | Katrina Valor | Executive Assistant |
| Production | Knhik Haefner | Production Supervisor |
| Production | Perry Leong | Production Supervisor |
| Sound | Melissa Encinas | Recording Supervision |
| Directing | Anne Owen | Script Coordinator |
| Art | Tia Gilles | Storyboard Artist |
| Writing | Jon Roth | Story Supervisor |
| Writing | Aram Sarkisian | Head of Story |
| Crew | Robert Mackie O'Conor | Post Production Supervisor |
| Production | Harry Butler | Associate Producer |
| Production | Samantha Grant | Associate Producer |
| Visual Effects | Ryan Meinerding | Character Designer |
| Production | Matthew Chauncey | Co-Executive Producer |
| Production | Sarah Halley Finn | Original Casting |
| Production | Dana Vasquez-Eberhardt | Executive Producer |
| Production | Alex Scharf | Producer |
| Visual Effects | Scott Wright | Animation Supervisor |
| Production | Candice Horde | Executive Assistant |
| Production | Melissa Scicluna | Executive Assistant |
| Production | Adylene Villanueva | Executive Assistant |
| Production | Dylan Ehrlich | Assistant Accountant |
| Production | Taylor Ehrlich | Assistant Accountant |
| Production | Miguel Pineda | Payroll Accountant |
| Production | Christian Calle | Production Assistant |
| Production | Ben Kieda | Production Assistant |
| Production | Alex Gordillo | Production Assistant |
| Production | Gabrielle Amormino | Production Assistant |
| Production | Haben Araya | Production Assistant |
| Production | Tatianna Sims | Production Coordinator |
| Production | Cameron Glynn | Production Coordinator |
| Production | Katie Pambuku | Production Coordinator |
| Production | Napoleon Brewer Corbin | Production Coordinator |
| Visual Effects | David J. Phillips | Visual Effects Supervisor |
| Art | Kristina Vardazaryan | Art Direction |
| Production | Kaleb Kern | Production Coordinator |
| Art | Alex Avagimian | Storyboard Artist |
| Art | Erika Shing | Storyboard Artist |
| Art | Isabella Ye | Storyboard Artist |
| Art | Min Gyo Chung | Storyboard Artist |
| Art | Norman Felchle | Storyboard Artist |
| Art | Stephen Sawran | Storyboard Artist |
| Art | Vanessa Kwan | Storyboard Artist |
| Sound | Justine von Winterfeldt | Music Supervisor |
| Sound | Nora Kroll-Rosenbaum | Original Music Composer |
| Production | Danielle Costa | Producer |
| Sound | Mac Smith | Supervising Sound Editor |
| Sound | Jeff King | Sound Re-Recording Mixer |
| Production | Brad Winderbaum | Executive Producer |
| Production | Kevin Feige | Executive Producer |
| Production | Louis D'Esposito | Executive Producer |
| Sound | Laura Karpman | Original Music Composer |
| Production | Bryan Andrews | Executive Producer |
| Production | Carrie Wassenaar | Producer |
| Art | Paul Lasaine | Production Design |
| Visual Effects | Ryan Meinerding | Visual Development |
| Sound | Mac Smith | Sound Designer |
| Sound | Dave Jordan | Music Supervisor |
| Sound | Anele Onyekwere | Supervising Music Editor |
| Production | Terri Douglas | ADR Voice Casting |
| Crew | Roy Thomas | Thanks |
| Production | Sarah Halley Finn | Consulting Producer |
