20/20

Season 42 Episode 13: Mary Poppins Returns: Behind the Magic

How the idea for 'Mary Poppins Returns' was born; 'Mary Poppins Returns' star Emily Blunt on making the role her own

Genre:

News, Documentary

Seasons:

28

Episodes:

749

Cast:

David Muir, Deborah Roberts

Quality:

HD

Duration:

40 min

First Air:

1978

Rating:

6.3