Układ krążenia (series)
- Production country: Poland
- Production companies: Centralna Wytwórnia Programów i Filmów Telewizyjnych „POLTEL”
- Genre: Drama
- Release date: 7/22/1977
- Release date of last episode: 9/2/1977
- Series status: Returning series
- Seasons count: 1 ( List of episodes )
- Episodes count: 7
- Run time: 80 min.
