The Chronicles of Narnia (although we do not learn their surname until "The Voyage of the Dawn Treader"), and eventually become Kings and Queens of Narnia reigning as a tetrarchy. Although introduced in the series as children, the siblings grow up into adults while reigning in Narnia. They go back to being children once they get back to their own world, but feature as adults in "The Horse and His Boy" during their Narnian reign. All four appear in "The Lion, the Witch, and the Wardrobe" and "Prince Caspian"; in the latter, however, Aslan tells Peter and Susan that they will not return, as
The Chronicles of Narnia: Prince Caspian "Caspian" with "The Voyage of the Dawn Treader", which the BBC did for their television adaptation. Screenwriters Christopher Markus & Stephen McFeely wanted to explore how the Pevensies felt after returning from Narnia, going from being kings and queens back to an awkward year as school children. They noted, "<nowiki>[</nowiki>C. S. Lewis<nowiki>]</nowiki> doesn't much consider what it would be like for a King of Narnia to return to being a 1940's schoolchild." They also decided to introduce the Pevensies back into Narnia nearer the start, in order to weave the two separate stories of the Pevensies and Caspian, in contrast