Emily Blunt Reveals a Behind-the-Scenes Look at 'Mary Poppins Returns' Animated Penguin Sequence (Exclusive)

When 'Mary Poppins Returns' arrives on 4K Ultra HD and Blu-ray on March 19, it comes with a sing-along version, a deleted song and never-before-seen bonus features, one of which we are debuting here: The movie was nominated for four Oscars, including Best Original Song, and now you can take a peek behind the green screen as Emily Blunt and Lin Manuel-Miranda film one of the movie's stand-out musical numbers.