Season 1

01 Welcome to the Undervale Episode 119th September 2025 Desperate to attract paying customers, Katherine hires an exorcist to get rid of the hotel's ghosts. Ben finds an unexpected soul mate. 02 Unfinished Business Episode 219th September 2025 Katherine is concerned that a rebellious ghost is a bad influence on Esther. A power outage sends Nathan, Ben and Abaddon into the woods. 03 Randy Slasher Episode 319th September 2025 While Katherine summons the courage to go out on a date, the rest of the crew deals with a creepy killer who targets lusty teens. 04 How to Train Your Demon Episode 419th September 2025 Abaddon struggles to control his instincts, Katherine bumps into a business rival, and Nathan, Ben and Esther investigate a possible werewolf. 05 Rollyfluffs Episode 519th September 2025 Esther's plan to become more popular backfires when she starts a dangerous new trend at school. The hotel's honeymoon suite turns on the charm. 06 Ghost Hunters! Episode 619th September 2025 A ghost-hunting reality show films an episode at the Undervale. Ben opens up to an enchanted diary and shares all his relationship drama. 07 Seven Deadly Bens Episode 719th September 2025 Ben's desire to be more confident spawns multiple personalities. Meanwhile, Nathan keeps falling through floors... but why? 08 Aunt Rose Episode 819th September 2025 A curmudgeonly relative comes to visit — with no plans to leave. Abaddon is outsmarted by a doorstop, and Esther experiments with raising the dead. 09 The Esthercist Episode 919th September 2025 Esther takes charge when soul-sucking demons invade the hotel. Katherine shares a painful truth with Nathan about his death. 10 The Acolytes of Abaddon Episode 1019th September 2025 The good news? There's a busload of red-cloaked customers who want to stay at the Undervale. The bad news? They might be part of a world-ending cult.