A single mother of two struggles to run a haunted hotel with the help of her estranged brother, who is now one of the ghosts and thinks the other ghosts have some pretty good ideas.
Haunted Hotel (Season 1)
Welcome to the Undervale (Episode 1) 7.0
Writer: Matt Roller
Air date: 2025-09-19
Runtime: 26 min
Overview: Desperate to attract paying customers, Katherine hires an exorcist to get rid of the hotel's ghosts. Ben finds an unexpected soul mate.
Unfinished Business (Episode 2)
Writer: Matt Roller
Air date: 2025-09-19
Runtime: 25 min
Overview: Katherine is concerned that a rebellious ghost is a bad influence on Esther. A power outage sends Nathan, Ben and Abaddon into the woods.
Randy Slasher (Episode 3)
Writer: Avital Ash
Air date: 2025-09-19
Runtime: 26 min
Overview: 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.
How to Train Your Demon (Episode 4)
Writer: Sam Nulman
Air date: 2025-09-19
Runtime: 26 min
Overview: Abaddon struggles to control his instincts, Katherine bumps into a business rival, and Nathan, Ben and Esther investigate a possible werewolf.
Rollyfluffs (Episode 5)
Writer: Carrie Rosen
Air date: 2025-09-19
Runtime: 26 min
Overview: 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.
Ghost Hunters! (Episode 6)
Writer: Greg Gallant
Air date: 2025-09-19
Runtime: 26 min
Overview: A ghost-hunting reality show films an episode at the Undervale. Ben opens up to an enchanted diary and shares all his relationship drama.
Seven Deadly Bens (Episode 7)
Writer: Siena East
Air date: 2025-09-19
Runtime: 26 min
Overview: Ben's desire to be more confident spawns multiple personalities. Meanwhile, Nathan keeps falling through floors... but why?
Aunt Rose (Episode 8)
Writer: Kevin Arrieta
Air date: 2025-09-19
Runtime: 26 min
Overview: A curmudgeonly relative comes to visit — with no plans to leave. Abaddon is outsmarted by a doorstop, and Esther experiments with raising the dead.
The Esthercist (Episode 9) 9.0
Writer: Alix Bloom
Air date: 2025-09-19
Runtime: 26 min
Overview: Esther takes charge when soul-sucking demons invade the hotel. Katherine shares a painful truth with Nathan about his death.
The Acolytes of Abaddon (Episode 10) 8.5
Writer: Joshua Corey
Air date: 2025-09-19
Runtime: 26 min
Overview: 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.
Seasons
Episodes 1