Dorothy, To Em is a character from the 1939 film The Wizard of Oz. She is the niece of the title character, Em, who is better known as the Wizard of Oz. Dorothy is a young girl from Kansas who is transported to the magical land of Oz by a tornado. She embarks on a journey to find the Wizard of Oz in order to return home. Along the way, she meets a Scarecrow, Tin Man, and Cowardly Lion, who join her on her quest.