A Night at the Movies: Merry Christmas! is a tinsel-filled journey through the most iconic holiday films of all time, including perennial favorites It's A Wonderful Life (1946) and Miracle on 34th Street (1947). The special looks at variations within the genre, such as holiday romances, family movies, and even thrillers. A Night at the Movies: Merry Christmas! features behind the scenes stories and personal Hollywood Christmas memories from the likes of Chevy Chase, Margaret O'Brien, Chazz Palminteri, Deborah Raffin, Karolyn Grimes, Zack Ward, Brian Henson, Joe Dante, Trine Mitchum, authors Julie Salamon and Alonso Duralde, A Christmas Carol expert Michael Patrick Hearn, and many more.

A featurette on L. Frank Baum, author of The Wonderful Wizard of Oz and other children's books.

The first part tells of the life and works of L. Frank Baum, along with his career as a writer and filmmaker, centering on the creation of Oz. This portion continues with the effect of Oz after his death, with novelties, dolls, radio, stage, and screen adaptions, and advertising gimmicks based on his work, culminating with MGM's Wizard of Oz (1939). While discussing some of the major alterations between the book and the film, such as MGM making Baum's real-life adventure a dream. The second half is about interpretation of Oz by other artists, including Helen Kish, Barry Moser, Barry Mahon, Evelyn Copelman, Robert Tonner, Robin Woods, Michael Hague, Lizbeth Zwerger, Pavel Arsyenov, and Charles Santore. The documentary concludes with an analysis of Baum's work and its profound effect on American culture.