and both comprise the fourth season of the Blue Exorcist anime television series, which is based on the manga series of the same name by Kazue Kato. The Beyond the Snow Saga aired from October 6 to December 22, 2024, while The Blue Night Saga aired from January 5 to March 23, 2025, on Tokyo MX and other networks. In October 2025, it was announced that the English dub for Beyond the Snow Saga would make its broadcast television premiere on Adult Swim's Toonami programming block, where it aired from November 9, 2025 to February 1, 2026.
For Beyond the Snow Saga, the opening theme song is "Re Rescue", performed by Reol, while the ending theme song is , performed by Yobahi. For The Blue Night Saga, the opening theme song is , performed by Amazarashi, while the ending theme song is "Overlap" (ãªã¼ãÂÂã¼ã©ãÂÂãÂÂ), performed by Shiyui.
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