- Country: Bulgaria
- Genres: Action, Crime, Short
- Release: 2021-08-13
- Director: Zdravko Sirakov
- Writers: Zdravko Sirakov , Ivan Stefanov
- Language: Bulgarian
- Stars: Vladislava Grigorova , Zdravko Sirakov , Radin Tsonev
- Runtime: 4 min
- Awards: N/A
- AKA: Observer (Bulgaria)
- Plot: In quantum physics, "the observer effect" means that observing a situation or phenomenon necessarily changes the result. This short film, inspired by many quantum paradoxes, tells the story of a man who argues online with a friend about whether a girl they both know has been abducted or not.
- IMDB:tt15223040