Stalled

Stalled is a 2013 British zombie comedy film directed by Christian James. It stars Dan Palmer, who also wrote the screenplay, as a man confined to a bathroom stall after zombies attack. Produced by Richard Kerrigan and Daniel Pickering, the film's cast also includes Mark Holden and Antonia Bernath. It has been screened at several film prior to its release.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.