10 episodes • September 19, 2025 - September 19, 2025

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.

10 episodes

1. 

   #1

   Welcome to the Undervale

   26 min • Sep 19, 2025 (1 year ago)

   Desperate to attract paying customers, Katherine hires an exorcist to get rid of the hotel's ghosts. Ben finds an unexpected soul mate.

2. 

   #2

   Unfinished Business

   25 min • Sep 19, 2025 (1 year ago)

   Katherine is concerned that a rebellious ghost is a bad influence on Esther. A power outage sends Nathan, Ben and Abaddon into the woods.

3. 

   #3

   Randy Slasher

   26 min • Sep 19, 2025 (1 year ago)

   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.

4. 

   #4

   How to Train Your Demon

   26 min • Sep 19, 2025 (1 year ago)

   Abaddon struggles to control his instincts, Katherine bumps into a business rival, and Nathan, Ben and Esther investigate a possible werewolf.

5. 

   #5

   Rollyfluffs

   26 min • Sep 19, 2025 (1 year ago)

   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.

6. 

   #6

   Ghost Hunters!

   26 min • Sep 19, 2025 (1 year ago)

   A ghost-hunting reality show films an episode at the Undervale. Ben opens up to an enchanted diary and shares all his relationship drama.

7. 

   #7

   Seven Deadly Bens

   26 min • Sep 19, 2025 (1 year ago)

   Ben's desire to be more confident spawns multiple personalities. Meanwhile, Nathan keeps falling through floors... but why?

8. 

   #8

   Aunt Rose

   26 min • Sep 19, 2025 (1 year ago)

   A curmudgeonly relative comes to visit — with no plans to leave. Abaddon is outsmarted by a doorstop, and Esther experiments with raising the dead.

9. 

   #9

   The Esthercist

   26 min • Sep 19, 2025 (1 year ago)

   Esther takes charge when soul-sucking demons invade the hotel. Katherine shares a painful truth with Nathan about his death.

10. 

    #10

    The Acolytes of Abaddon

    26 min • Sep 19, 2025 (1 year ago)

    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.