Percy Jackson Thieves on Olympus, Percy Jackson Under the Spell of the Cyclops

Percy Jackson - The Lightning Thief (USA/Canada 2010, 119 min., PG-12):
It was supposed to be just a normal school trip. But when Percy’s math teacher transforms into a raging goddess of vengeance and attacks him, he realizes that something is not right. At the last moment, he manages to escape to the Half-Blood Camp, where he discovers a whole new world of gods and demigods. Percy learns that he is one of them and possesses special abilities. Soon, he will need those abilities urgently, as he is accused of stealing Zeus's master bolt. Together with his friends Grover, a satyr, and Annabeth, a daughter of Athena, he embarks on an adventurous journey to find the lost master bolt and the true thief.

Percy Jackson - Sea of Monsters (USA 2013, 106 min., PG-12):
The Half-Blood Camp is in danger! The camp's protective barrier has been broken, and it can only be saved by reclaiming the Golden Fleece, which will also save all the demigods living there. Percy Jackson, along with Annabeth and both old and new friends, sets out on a dangerous odyssey into the uncharted "Sea of Monsters" (what humans call the Bermuda Triangle). There, they encounter many terrifying creatures and adventurous obstacles - and Grover is in danger too! Will they be able to rescue Grover from the clutches of a powerful cyclops in time and save the camp?.