Meek and mild mannered bookkeeper Henry Limpet has few passions in life. It's mid-1941 and he would love to join the Navy but has been rated 4F. His friend George Stickle is in the Navy and lays it on pretty thick. If Henry could have one thing it would be to become a fish. While on a visit to Coney Island, Henry falls into the water and miraculously gets his wish. Now a fish, he makes friends, Ladyfish and Crusty the hermit crab and loves his new life. He also uses his abilities to help the US Navy locate and sink Nazi U-Boats, forcing the Germans to create a new weapon to deal with the Allies secret weapon. When years later the Navy finds intelligent activity among dolphins, they may also know who is teaching them.
Now he takes his place with America's greatest naval heroes! The incredible story of Henry Limpet, America's deadliest secret weapon! Now you will know all!
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Did You Know?
The ship launch shown at the start of the movie is stock footage of the SS Fred Morris going down the slipway on 2 November 1940 (in New Jesey, not Brooklyn); the ship was later acquired by the US Navy to become USS Otus and received one battle star for service in World War II. See more
When George first signs a lantern on Henry as a fish, the highlights on the water behind him are visible through the animation. See more
[Crusty and Limpet are swimming around a sunken ship
No wonder this thing died! Look at all the stuff it ate!
"Piscatoral Special Effects" in the closing credits See more
Music by Sammy Fain
Lyrics by Harold Adamson See more