Re:Zero 4th Season Episode 79 reveals memory loss culprit

The 79th episode of the anime series ‘Re:Zero -Starting Life in Another World-’ 4th season, titled ‘Stand Up,’ aired on August 19, 2026. In this episode, Natsuki Subaru, having regained his resolve after a period of memory loss, attempts to find clues to defeat Reid Astrea by searching for the ‘Book of the Dead’ in the archives.

During the search, Subaru encounters Louis Arneb, one of the Sin Archbishops of Gluttony. The encounter takes place in a mental space known as the ‘Corridor of Memories,’ where Louis attempts to consume Subaru’s memories. The episode highlights the psychological tension as Louis uses Subaru’s own hidden truths against him to separate his personality from his pre-memory-loss self.

Simultaneously, Subaru works to mend his relationship with Julius Juukulius, encouraging him to regain his competitive will for the upcoming battle. The episode concludes with an emergency situation as a large swarm of magical beasts begins to attack the tower.