Simplify the following text for a Grade 9 native English-speaking person.
Original: He has appeared in all three installments , The Lion , the Witch and the Wardrobe , Prince Caspian and The Voyage of the Dawn Treader , which was released on December 10 , 2010 .
Simplified: He appeared in all three movies , The Lion , the Witch and the Wardrobe , Prince Caspian and The Voyage of the Dawn Treader , which was released on December 10 , 2010 .