Sam & Mattie Make a Zombie Film Artist: Sam & Mattie Make a Zombie Film Format: Blu-Ray New: Call (512) 474-2500 to check in-store availability $19.99 Unavailable Wish Formats and Editions More Info: Sam and Mattie, two badass best friends with Down syndrome, rally the entire town of Providence RI to help them storyboard, script, produce, cast, and star in their own dream movie: 'Spring Break Zombie Massacre.'