When Rotom Dex catches a continuity error during the filming of Alolan Detective Laki, the cast and crew are so impressed that they invite it to join the show and help Laki solve cases! Ash is thrilled, until he realizes the international shooting schedule means Rotom will have to leave… While our hero sadly considers this option, a serious conversation with Laki reminds Rotom that its real dream is to be the best Pokédex in the world—and when Ash tries to be strong and send his friend off to pursue an acting career, it decides to stay and study rare Pokémon with him instead!