Sailor Moon (1992)

S1E20 The Summer, the Beach, Youth and Ghosts

Usagi, Ami, Rei, and Luna embark on a vacation to focus on their training, but soon discover that their chosen hotel is plagued by eerie occurrences. As they navigate the mysterious happenings, the group must confront the supernatural elements that haunt their getaway, leading to unexpected challenges and revelations during their summer retreat.