'Once Upon a Snowman' Directors Explain How 'Back to the Future Part II' Inspired Their 'Frozen' Prequel Short [Interview]

What happened to Olaf the talking snowman in the window of time between his creation and his first meeting with Anna during Frozen? The new Disney short Once Upon a Snowman answers that question. It turns out that Josh Gad’s warm hug-loving character had a bit of an adventure, full of hijinks and existence-defining moments. And according to directors Trent Correy and Dan Abraham, it was all inspired by Back to the Future Part II.

Once Upon a Snowman is streaming now on Disney+, so before or after you watch it, you can read our interview with the filmmakers, who shared their inspiration for the short, how they made Olaf work as a central character, and whether there’s a bit of Looney Tunes in their Disney character.

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