Υ1 – Στη σιωπή του βυθού
- Yil: 2020
- Mamlakat: Greece
- Janr: Documentary, History
- Studiya: EPT, 2|35, FAOS
- Kalit so'z: sea, navy, submarine, world war ii, greece, exploration, sunken submarine, british navy, ship wreck, german occupation of greece, katsonis, greek navy
- Direktor: Filippos Vardakas
- Cast: Bilio Tsoucala
