Anime Expo 2025 has become a goldmine for big anime announcements, and one of the most eagerly awaited updates came from the world of Re:ZERO Starting Life in Another World. The fourth season of the acclaimed fantasy thriller has officially unveiled its very first trailer and a brand new key visual, igniting fresh excitement among fans worldwide. The new season is set to premiere in 2026 and will be available for streaming on Crunchyroll, continuing the franchise’s international success.
The trailer comes with a rewritten version of the original theme song, striking a nostalgic yet dramatic chord as it introduces viewers to what lies ahead. Along with the familiar cast of characters returning to the screen, one major addition has already caught fan attention. Fairouz Ai has joined the voice cast as Shaula, the mysterious Star Keeper of the Pleiades Watchtower. Her character is expected to play a pivotal role in the upcoming arc, adding complexity and intrigue to Subaru’s ever darkening journey.
Season 4 will pick up where the third season left off, following the events of Volume 21 from the light novel series by Tappei Nagatsuki. After the harrowing battle at Priestella’s Water Gate City, the world Subaru once thought he could save is more broken than ever. Rem continues to lie in a deep, unending slumber, trapped by the power of Gluttony. Crusch has lost all her memories, and Julius, once a proud knight, now walks the world stripped even of his own name.
Subaru, unable to accept this outcome, is once again forced to put everything on the line in a bid to restore what was taken. His next target is the Pleiades Watchtower, a remote and legendary structure standing tall in the deadly Auguria Sand Dunes. This wasteland is known not just for its brutal environment, but also for defeating even the strongest heroes of the past, including the revered Sword Saint Reinhard.
Within this desolate landscape lies hope in the form of a figure called the Sage. Shaula, the enigmatic guardian of the tower, is said to hold answers and knowledge that surpass all known magic and wisdom. As Subaru and his companions prepare to cross this uncharted path, they face not only the wrath of nature but also terrifying beasts and unknown forces that could unravel what little stability they have left.
The newly released key visual reflects the tone of the arc perfectly. It showcases a haunting, wind swept desert with the Watchtower looming ominously in the distance. The characters stand against the backdrop with weariness and resolve in their eyes, signaling the beginning of what might be the most psychologically intense and physically punishing phase of Subaru’s journey so far.
For long time fans, this next season is not just another chapter but a reckoning. The stakes are higher, the losses more personal, and the enemies more cryptic than ever. Studio White Fox continues its work on the animation, and based on the trailer's tone, it is clear that the new season will dig even deeper into the emotional weight and existential dread that has always set Re:ZERO apart from other isekai titles.
As anticipation builds for the 2026 release, the latest trailer has already stirred online conversations around how the series will adapt the high stakes novel arc. With the emotional wounds of the past still fresh, and new scars waiting to form, Season 4 is gearing up to be a true test of everything Subaru has endured.
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