S01E01 Welcome to the Undervale
Desperate to attract paying customers, Katherine hires an exorcist to get rid of the hotel's ghosts. Ben finds an unexpected soul mate.
Haunted Hotel
Check in and raise hell.
Overview
After inheriting a hotel from her late brother, a single mom moves in with his good-natured ghost — and high-maintenance guests who will never check out.
Episodes
S01E02 Unfinished Business
Katherine is concerned that a rebellious ghost is a bad influence on Esther. A power outage sends Nathan, Ben and Abaddon into the woods.
S01E03 Randy Slasher
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.
S01E04 How to Train Your Demon
Abaddon struggles to control his instincts, Katherine bumps into a business rival, and Nathan, Ben and Esther investigate a possible werewolf.
S01E05 Rollyfluffs
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.
S01E06 Ghost Hunters!
A ghost-hunting reality show films an episode at the Undervale. Ben opens up to an enchanted diary and shares all his relationship drama.
S01E07 Seven Deadly Bens
Ben's desire to be more confident spawns multiple personalities. Meanwhile, Nathan keeps falling through floors... but why?
S01E08 Aunt Rose
A curmudgeonly relative comes to visit — with no plans to leave. Abaddon is outsmarted by a doorstop, and Esther experiments with raising the dead.
S01E09 The Esthercist
Esther takes charge when soul-sucking demons invade the hotel. Katherine shares a painful truth with Nathan about his death.
S01E10 The Acolytes of Abaddon
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.
Cast
Will Forte
Nathan (voice)
Eliza Coupe
Katherine (voice)
Skyler Gisondo
Ben (voice)
Natalie Palamides
Esther (voice)
Jimmi Simpson
Abaddon (voice)
