WW2: Hell Under the Sea

USS Silversides battles depth charges, a jammed torpedo and an emergency appendectomy deep in enemy waters while intercepting Japanese ships to Guadalcanal.

June, 1945. With Japanese merchant shipping slowed to a trickle, Commander Eugene Fluckey plots to destroy shore-based targets along Japan's coast - a campaign that develops unprecedented tactics.

January, 1944. A German U-boat defies the odds and escapes both Allied depth charges and aircraft to sink ships and return to port despite severe damage. Ten weeks later, U-515 is put to the ultimate test.

September, 1941. Victoria Cross recipient Lt Commander Malcolm Wanklyn of HMS Upholder joins three other British submarines hunting for Italian ships carrying supplies for Rommel's relentless war in North Africa.

February 1945. Beneath icy Norwegian waters, HMS Venturer intercepts a German U-boat. U-864 is on a secret mission to deliver German 'wonder' weapons' to Japan.

October 1962. A secret mission sends four Soviet Project submarines carrying nuclear torpedoes racing towards Cuba, and nearly ends in nuclear war.