25.82 Pandangan
In a war of high technology and animal courage, the German U-Boats fight Allied merchantmen, hounding them in packs.
Tarikh Udara Pertama : Oct 31, 1973
Tarikh Udara Terakhir : May 08, 1974
Episod : 26 Episod
Musim : 1 Musim
Masa Jalan: 60 minit
Studio: ITV1
Negara: United Kingdom, United States of America
Pelakon: Laurence Olivier