Disney and Rick Riordan look to be following the Harry Potter template in this Percy Jackson series. It works and this was an enjoyable second episode.
He might have lost his mother and been told that he is a son of a Greek god. Percy Jackson is in Camp Half-Blood and has acquired a reputation after he killed the Minotaur.
However Percy is a demigod whose father has not yet claimed him.
Clarisse La Rue and her friends regard Percy has a freak. They want him to admit that him killing a Minotaur is just lies. However whenever Percy is near water, he has special abilities.
The title of this episode might give an important clue as to just who Percy's father might be. It also unleashes the plot. Percy's quest for the rest of the series.