The Incredible Mr. Limpet II

The Incredible Mr. Limpet 2 is a suggested sequel to the 1964 live-action/animated movie The Incredible Mr. Limpet. Some of the same characters return, but they're all replaced by new actors. There are new characters too.

Plot
The film begins as Henry and his new wife Ladyfish have children of their own. Crusty the hermitcrab is so overjoyed, that he wants a wife too.