Nemo is captured by a diver and winds up in a dental office aquarium in Sydney, Australia. Marlin desperately searches for his son, joined by comic sidekick Dory (Ellen DeGeneres), a forgetful ...

"Finding Nemo" came out in 2003 and was beloved for its storyline and (somewhat) accurate depiction of life in the ocean. Clownfish really do look like that and live in sea anemones.