During WWII, Duke E. Gifford is second in command of the USS Thunderfish, a submarine which is firing off torpedoes that either explode too early or never explode at all. It's a dilemma that he'll eventually take up personally. Even more personal is his quest to win back his ex-wife, a nurse; but he'll have to win her back from a navy flier who also happens to be his commander's little brother.

A gripping tale of WWII naval warfare in the Baltics, starring John Mills as Lt. Freddie Taylor, a British submarine Captain. The crew of the Sea Tiger are summoned from leave on shore with their families, and sent on a secret mission to intercept the Nazi battleship Brandenburg. In the ensuing battle the British submarine is damaged by a German destroyer. The submarine is leaking fuel so badly that the crew won't be able to make it back to Britain before running out somewhere along the Danish coast. When it seems that their only option may be to blow up the submarine and try to escape to Denmark, seaman James Hobson hatches a plan...

A German U-Boat commander plans a daring escape from a PoW camp in Scotland.

Norwegian Ninja is the true story of how Commander Arne Treholt and his Ninja Force saved Norway during the Cold War. In 1983 the Ninja Force discovers that the sinister NATO force Stay Behind, who take charge in times of war and emergency, are planning a coup-d'état in peacetime. Treholt and the Ninjas see only one solution: a full can of whoop-ass.

Two Finnish filmmakers and an international team of divers embark on a quest to find the lost WWII German U-boat, U-479, in the Gulf of Finland. Despite Soviet claims of its sinking by the submarine Lembit, unanswered questions prompted the filmmakers to investigate the mystery firsthand.

After losing a submarine and fifty crew in a battle with a German ship during WWII, a Royal Navy officer gets a second chance in a daring raid with midget subs.

CSS Hunley tells the incredible true story of the crew of the manually propelled submarine CSS Hunley, during the siege of Charleston of 1864. It is a story of heroism in the face of adversity, the Hunley being the first submersible to sink an enemy boat in time of war. It also relates the human side of the story relating the uncommon and extaordinary temperament of the 9 men who led the Hunley into history and died valiantly accomplishing this feat.

For his first command in the Pacific war a by-the-book officer is ordered to take his submarine on a reconnaissance mission to locate a fleet of Japanese fighting ships the Allies have lost track of. At first, the rest of the crew resent his distant manner and the way he keeps avoiding taking on the Japs.

When a nuclear attack submarine crashes on the floor of the Artic ocean, it's up to a pair of research scientists to save the entire crew before time and oxygen run out.

A New York City doctor tries to rescue a young woman from Nazi agents.

A down-and-out restaurateur and his neighbor hatch a plan to lure bird watchers to their small Newfoundland town and increase tourism by announcing the presence of a rare duck.

On the eve of WW-I the French Navy ship Lafayette returns to its Toulon base for one night. There is no shore leave, although wives are permitted to come to a party. The strain of command on the older captain and his new, young wife is very great.