The Saga of the Viking Women and Their Voyage to the Waters of the Great Sea Serpent (1957)
Directed by Roger Corman.
With Abby Dalton, Susan Cabot, Bradford Jackson, June Kenney
A group of lonely Viking women build a ship and set off across the sea to locate their missing menfolk, only to fall into the clutches of the barbarians that also hold their men captive. There is a cameo appearance by the sea serpent.