Ubåt! En till sannolikhet gränsande visshet
- Godina: 1985
- Country: Sweden
- Žanr: Documentary
- Studio: Svenska Filminstitutet, SVT, Wechselmann-Karlén HB
- Ključna riječ: submarine, cold war
- Direktor: Maj Wechselmann
- Uloge: Inga Landgré, Björn Granath, Marianne Hühne, Bror Stefenson, Ian McGeoch, Olle Alsén
