When Sosuke, a young boy who lives on a clifftop overlooking the sea, rescues a stranded goldfish named Ponyo, he discovers more than he bargained for. Ponyo is a curious, energetic young creature who yearns to be human, but even as she causes chaos around the house, her father, a powerful sorcerer, schemes to return Ponyo to the sea.
The film focuses heavily on the theme of friendship, especially between Ponyo and Sosuke.
The movie shows characters taking responsibility for their actions and the well-being of others.
Some scenes might feel intense or slightly scary for very young children especially due to natural disasters depicted.