The 2025 Forbidden Door was a professional wrestling pay-per-view (PPV) event and supershow co-produced by the American promotion All Elite Wrestling (AEW) and the Japan-based New Japan Pro-Wrestling (NJPW). It was the fourth annual Forbidden Door event and took place on August 24, 2025 at The O2 in London, England.

AEW and New Japan Pro Wrestling will present their first ever joint pay-per-view special this summer. "AEW x NJPW: Forbidden Door" will take place live on Sunday, June 26, at the United Center in Chicago, featuring marquee matchups between members of AEW and NJPW's world-class rosters.

AEW x NJPW: Forbidden Door was a co-produced professional wrestling event featuring American promotion AEW and Japanese promotion NJPW. It took place on June 26, 2022 at the United Center in Chicago and featured 13 matches, including 4 on the pre-show. In the main event, Jon Moxley defeated Hiroshi Tanahashi to become the interim AEW World Champion. Other notable matches included Jay White defeating Adam Page, Kazuchika Okada, and Adam Cole in a four-way match to retain the IWGP World Heavyweight Championship, Pac becoming the inaugural AEW All-Atlantic Champion in a four-way match, and Claudio Castagnoli making his AEW debut by defeating Zack Sabre Jr. The event also featured special appearances by Juice Robinson and Katsuyori Shibata.