Finding Nemo 2003

After his son is captured in the Great Barrier Reef and taken to Sydney, a timid clownfish sets out on a journey to bring him home.

Marlin, an anxious clownfish who has never strayed far from home, becomes a frantic father when his only son vanishes into the vast, dangerous ocean. With a forgetful but cheerful companion by his side, he crosses treacherous waters determined to reunite with the little one he refuses to lose.