Stream it on Netflix.

“My Father’s Dragon,” an adaptation of the 1948 children’s novel of the same name by Ruth Stiles Gannett, follows a young boy named Elmer (Jacob Tremblay, recently the voice of Flounder in “The Little Mermaid”) who is living a blissful life with his mother, Dela (Golshifteh Farahani). When Dela’s business shuts down, it forces her to move to a city tenement and scramble for work. A black cat (voiced by Whoopi Goldberg) tells Elmer to journey to a place called Wild Island and free a dragon named Boris, who can, in turn, bring fame and fortune to Dela. Elmer finds Boris (Gaten Matarazzo of “Stranger Things”) and what ensues is a tender story of friendship, fear and bravery. Beautiful hand-drawn animation and wide-eyed characters are a signature of Cartoon Saloon, the Oscar-nominated Irish animation studio that produced this film along with Netflix and Mockingbird Pictures. And thanks to the director Nora Twomey (“The…