When an underwater volcanic eruption tears up the sea bed off the coast of Ireland, two treasure hunters make the discovery of a lifetime when they encounter a gigantic prehistoric monster that’s been unleashed from the earth’s crust. After capturing the beast, the pair transport the creature down to London where it’s given the name of “Gorgo” and put on display to an avid public. Little do they realize that Gorgo is just an infant, and that his exponentially larger mother is about to emerge from the depths to avenge the capture of her offspring.

Thomas Becket, Henry II's longtime advisor, finds his friendship with the debauched king corroding when he is unwillingly appointed as Archbishop of Canterbury in an attempt to gain absolute loyalty from the Church.

When Germany invades Holland in 1940, a British intelligence officer and two Dutch diamond merchants go to Amsterdam to persuade the Dutch diamond merchants to evacuate their diamond supplies to England.

The Germans believed that no man could escape from Colditz Castle, set as it was in the heart of the Reich, 400 miles from any neutral frontier. This film, based on Pat Reid's epic novel, tells the story of how the British, French, Dutch and Polish prisoners of war who were incarcerated in Colditz set out to prove their captors wrong.

In wartime, a young officer is killed during a raid to kill a German general at the house that used to belong to his grandmother. Before he dies he talks about a treasure that was hidden there. Several years later, the members of that group are still together as a street band living in a cellar. The last of the gang, who was chosen for his skills as a ruthless killer, escapes from prison in a rampage of killing and, obsessed with the treasure, takes the gang to France to recover it.

When the Dutch resistance brings in Carla Van Oven to spy on the Nazis, Col. Pieter Deventer initially suspects she could be a double agent. Van Oven eventually convinces Deventer of her character, and when she is sent into occupied territory, she joins up with a rebel leader known as "The Scarf". As the resistance endures severe losses and their missions fail, Deventer starts to wonder whose side Van Oven is fighting on.

A group of children fleeing Napoleon's armies attempt to protect a mountain escape route from being discovered by a pursuing French platoon.

In Tiger Bay, the docklands of Cardiff, rough-and-tumble street urchin Gillie witnesses the brutal killing of a young woman at the hands of visiting Polish sailor Korchinsky. Instead of reporting the crime to the authorities, Gillie merely pockets a prize for herself — Korchinsky's shiny black revolver — and flees the scene. When Detective Graham discovers that Gillie has the murder weapon, the fiery young girl weaves a web of lies to throw him off course.

Africa, early 20th century, an Englishman marries the girlfriend of a late friend and faces natives and adventures, on the banks of a river infested with crocodiles.

Retrospective documentary on the making of Gorgo (1961).