- HD 1080
- Runtime: 90m.
- Status: Ended
0
- Languages: ko
- Country: South Korea
- Director: Jung Chul-min
- Stars: Yoo Jae-suk, Cha Tae-hyun, Oh Na-ra, Yang Se-chan, Jennie Kim
- keywords: games, variety show, residents, history, mystery
- Production_studio: CJ ENM
- Slogan: Mysteries based on true events beyond time and space.
- Seasons: 1
- Episodes: 8
- First air date: 2024-02-23
- Last air date: 2024-04-12
- providers: Amazon Prime Video, Amazon Prime Video with Ads
- The Apartment 404 is featured in the top rankings of 2024
- #21 in Top Reality Series of 2024
Six residents uncover unprecedented incidents and mysteries that occurred in apartments in Korea.