
Haunted Hotel
2025 · TV Series · TV-14 · 26 min
★ 8.0(136)unSUB Rating
A single parent inherits a strange hotel and moves in, only to find it filled with supernatural residents who have no plans to leave. The show mixes spooky chaos, family friction, and offbeat humor in an adult animated setting.
Also known as The Undervale
Where to watch
Streaming on Netflix.
~8 hours to watch · 18 episodes.
Stream (included)
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Details
- Years
- 2025
- Release date
- 2025-09-19
- Network
- Netflix
- Language
- English
- Rated
- TV-14
- Runtime
- 26 min
- Max quality
- HD
- TMDB rating (input)
- 8.1/10 (136 votes)
About
You’ll likely enjoy this if you want adult animated horror-comedy with cozy chaos, especially alongside Little Demon or Ugly Americans; Not for you if you need nonstop big laughs or a very original premise.
Pros: fun spooky premise; lovable quirky characters; easy binge comfort | Cons: uneven humor; familiar ghost setup; slow early episodes
Themes
- hotel
- murder
- single mother
- demon
- demonic possession
- adult animation
- haunted hotel
- supernatural horror
- ghosts
Cast & crew

Will Forte
as Nathan (voice)

Eliza Coupe
as Katherine (voice)

Skyler Gisondo
as Ben (voice)

Natalie Palamides
as Esther (voice)

Jimmi Simpson
as Abaddon (voice)

Matt Roller
as Additional Voices (voice)

Duncan Trussell
as Additional Voices (voice)

Riki Lindhome
as Additional Voices (voice)

Maria Bamford
as Additional Voices (voice)

Roger Craig Smith
as Additional Voices (voice)
Directed by Erica Hayes, Christopher Nance, Meg Waldow +1 more
Episodes2 seasons · 18 episodes
Season 110 episodes
- S1E1Welcome to the Undervale26mNetflix
- S1E2Unfinished Business25mNetflix
- S1E3Randy Slasher26mNetflix
- S1E4How to Train Your Demon26mNetflix
- S1E5Rollyfluffs26mNetflix
- S1E6Ghost Hunters!26mNetflix
- S1E7Seven Deadly Bens26mNetflix
- S1E8Aunt Rose26mNetflix
- S1E9The Esthercist26mNetflix
- S1E10The Acolytes of Abaddon26mNetflix
Season 28 episodes
- S2E1Episode 1Netflix
- S2E2Episode 2Netflix
- S2E3Episode 3Netflix
- S2E4Episode 4Netflix
- S2E5Episode 5Netflix
- S2E6Episode 6Netflix
- S2E7Episode 7Netflix
- S2E8Episode 8Netflix