What If…? Season 3 is streaming exclusively on Disney+. It is the Marvel animated anthology’s third and final season, and all eight episodes are available to watch now. The original release ran from December 22 through December 29, 2024, with one episode arriving each day.
Where to watch What If…? Season 3
You need an active Disney+ subscription to watch the season. In the United States, Disney+ offers its standalone With Ads and Premium plans, along with bundle options. Availability, plans, and pricing can vary by country.
To find the season:
- Open Disney+ in a web browser, on a phone or tablet, or through a supported TV-connected device.
- Select Search.
- Enter What If…? and choose the animated series from the results.
- Open the season selector and choose Season 3.
- Select an episode and press play.
On a television, Disney+ places the main navigation on the left side of the screen. Scroll left or press the remote’s Back button to open it. On mobile, the navigation bar runs along the bottom. The web version places Search at the top of the page.
If you plan to watch later, add the series to your Watchlist. On mobile, open the profile icon to reach Watchlist; on the web, it appears at the top of the screen; on TV devices, it is in the left-side navigation.
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When did Season 3 release?
Marvel released one episode per day from December 22 to December 29, 2024. Unlike a weekly rollout, the complete season arrived across eight consecutive days.
| Episode | Title | Disney+ release date |
|---|---|---|
| 1 | “What If… the Hulk Fought the Mech Avengers?” | December 22, 2024 |
| 2 | “What If… Agatha Went to Hollywood?” | December 23, 2024 |
| 3 | “What If… the Red Guardian Stopped the Winter Soldier?” | December 24, 2024 |
| 4 | “What If… Howard the Duck Got Hitched?” | December 25, 2024 |
| 5 | “What If… the Emergence Destroyed the Earth?” | December 26, 2024 |
| 6 | “What If… 1872?” | December 27, 2024 |
| 7 | “What If… the Watcher Disappeared?” | December 28, 2024 |
| 8 | “What If… What If?” | December 29, 2024 |
What time did new episodes arrive?
The official release timing was midnight Pacific Time. For viewers in the United States, that meant:
| Time zone | Release time |
|---|---|
| Pacific | 12:00 a.m. |
| Mountain | 1:00 a.m. |
| Central | 2:00 a.m. |
| Eastern | 3:00 a.m. |
Some early coverage listed a 6:00 p.m. Pacific or 9:00 p.m. Eastern release. That was not the final Disney+ schedule. The confirmed rollout used midnight PT.
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Is Season 3 the final season?
Yes. Season 3 is the third and final season of What If…? The series continues Marvel’s animated anthology format, using alternate versions of familiar MCU events and characters rather than retelling the main continuity exactly.
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The episode concepts range from a Hulk confronting the Mech Avengers and Agatha pursuing Hollywood ambitions to a Western-style story set in 1872. The season also returns to the Watcher’s role in observing the multiverse, culminating in “What If… What If?”
What to do if the season does not appear
Disney+ says catalog availability can differ by country or region. If the show is missing from the homepage, use the service’s direct Search function and look for What If…? rather than relying on a promotional banner.
The title is hidden on a child or restricted profile
A profile’s content-rating setting can hide or block titles above its permitted rating. Switch to an adult profile or review the profile’s content-rating controls if the series does not appear in search.
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- Cloud gaming, no console required – Stream Call of Duty: Black Ops 7, Hogwarts Legacy, Outer Worlds 2, Ninja Gaiden 4, and hundreds of games on your Fire TV Stick 4K Select with Xbox Game Pass and Luna via cloud gaming. Xbox Game Pass subscription and compatible controller required. Each sold separately.
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- Enjoy the show in 4K Ultra HD, with support for Dolby Vision, HDR10+, and immersive Dolby Atmos audio.
Error Code 39
Error Code 39 can point to several problems, including plan restrictions, profile settings, an unsupported device or configuration, or an account that is not correctly signed in. Confirm that the subscription is active, check the profile’s rating settings, sign out and back in, and try a supported device.
Error Code 73
Error Code 73 indicates a location-based availability problem. Disney+ determines catalog access by country or region, so the season may not be available in the location currently detected by the service.
Audio or subtitles are different
Audio tracks, captions, and subtitle languages vary by title and region. During playback, open the audio and subtitle menu to see the options available for your account and location.
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Can you watch the season as a completed series?
Yes. Because all eight episodes are now on Disney+, viewers can watch the season in one sitting or follow the original daily sequence. The daily order is the episode order shown in the schedule above, beginning with “What If… the Hulk Fought the Mech Avengers?” and ending with “What If… What If?”
FAQ
Where can I stream What If…? Season 3?
All eight episodes stream exclusively on Disney+. A Disney+ subscription is required.
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What time did What If…? Season 3 episodes release?
Episodes were released at midnight Pacific Time, which was 3:00 a.m. Eastern, 2:00 a.m. Central, and 1:00 a.m. Mountain in the United States.
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How many episodes are in Season 3?
Season 3 has eight episodes. Disney+ released them daily from December 22 through December 29, 2024.
Is Season 3 the last season of What If…??
Yes. Marvel identifies Season 3 as the show’s third and final season.
The Bottom Line
What If…? Season 3 is complete and available exclusively on Disney+. The final season contains eight episodes, originally released one per day from December 22 to December 29, 2024, at midnight Pacific Time.
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