Jack the Giant Killer (1962)

On the birthday of Princess Elaine, the evil warlock Pendragon, who is exiled from the Kingdom of Cornwall, and his minion Garna come disguised to the court and he gives a gift to Elaine. During the night, his gift becomes a giant that abducts the princess. However the farmer Jack vanquishes the giant and rescues Elaine. Jack becomes a knight and Elaine and he fall in love with each other. King Mark assigns Jack to protect Elaine and to travel by ship with his daughter posing of peasants to a distant convent where she would be safe. However Pendragon's spy Lady Constance warns the sorcerer and he sends witches to bring Elaine to his castle. They kill the captain of the ship and the crew throws Jack overboard that is left behind with the captain's son Peter in the sea. However they are rescued by the Viking Sigurd that shows the Leprechaun Imp to Jack. The Imp grants three wishes to Jack and together with Jack, Peter and Sigurd, they head to the island where the castle of Pendragon is to save the princess. Will they succeed in their mission?