From the seven books, three were adapted—The Lion, the Witch and the Wardrobe (2005), Prince Caspian (2008), and The Voyage of the Dawn Treader (2010)—which collectively grossed over $1.5 billion worldwide (although critical and commercial reception declined with each release).

[1] C. S. Lewis did not sell the film rights to the Narnia series during his lifetime, as he was skeptical that any cinematic adaptation could render the more fantastical elements and characters of the story realistically.

[a][failed verification] Only after seeing a demo reel of CGI animals did Douglas Gresham, Lewis's stepson and eventual literary executor, give approval for a film adaptation.

It was rumored that The Magician's Nephew was chosen in an attempt to reboot the series, after The Voyage of the Dawn Treader grossed less than the two previous films.

The Voyage of the Dawn Treader, based on the 1952 novel of the same title, is the first film in the series not to be co-produced by Disney, who dropped out over a budget dispute with Walden Media.

[19] In July 2014, the official Narnia website allowed the opportunity for fans to suggest names for the Lady of the Green Kirtle, the main antagonist.

[24] During an interview with Red Carpet News TV, producer Mark Gordon revealed scarce details about the new technologies and setting that would be used for the upcoming film.

[25] On 3 October 2018, it was announced that Netflix and the C. S. Lewis Company had made a multi-year agreement to develop a new series of film and TV adaptations of The Chronicles of Narnia.