Sofia The First Season 4 Episode 10 - Princess Jade Episode Title:Princess Jade.Episode Description:It's School Swap Day for Royal Prep and Sofia's old school in Dunwiddie. Jade is visiting Royal Prep, and Amber is at the Dunwiddie School. While Sofia and Jade enjoy themselves, they find a picture of Frederika Assemblia, who looks exactly like Jade. They assume that Jade is a princess, which means she can go to Royal Prep full time. Jade is excited about this until she learns that it means leaving behind her other Dunwiddie friends, and she doesn't know how to tell Sofia that she no longer wants to go to Royal Prep. Meanwhile, when Amber realizes that the classes in Dunwiddie are different from the ones at Royal Prep, she tries to avoid trying them in order to avoid making a fool of herself.