Υ1 – Στη σιωπή του βυθού
- سال: 2020
- ملڪ: Greece
- نوع: Documentary, History
- اسٽوڊيو: EPT, 2|35, FAOS
- چاٻي: sea, navy, submarine, world war ii, greece, exploration, sunken submarine, british navy, ship wreck, german occupation of greece, katsonis, greek navy
- ڊائريڪٽر: Filippos Vardakas
- اداڪار: Bilio Tsoucala
