Mild-mannered Henry Limpet (Don Knotts) longs to serve his country during World War II, but he can't pass the Navy's admissions physical. Classified as 4-F -- too small and too weak to be a soldier -- Henry takes a trip to Coney Island, where a magical wish changes him from a little fish in a big pond into, well, a fish! With a fin up on the enemy, Henry uses his new aquatic abilities to lead the Navy into battle as its ultimate secret weapon! Mixing live-action storytelling with Warner Bros. timeless animation, this action-packed film has been digitally remastered for a viewing experience so crisp you can smell the sea air! Join Henry as he goes from sink to swim in this tale of victory that celebrates the hero in all of us! - Bookkeeper becomes fish, helps Navy track U-boats.