And, as “Percy Jackson” proves, they have a lot of kids. The series not only introduces a new take on Greek gods but also brings their children — known as demigods — into the fray.

The traitor of Percy Jackson’s first prophecy has finally been revealed and, though it obviously didn’t shock those who read the books, it certainly shocked Annabeth Chase on screen.

Then, despite Annabeth’s warnings that Zeus will kill him, Percy sets off to Olympus to return the master bolt and, more importantly, stop the war between the gods and warn Zeus about Kronos ...