A festive trip down memory lane prompts Pat to question his very identity. The ghosts come up with a surprise Christmas present for Alison, whose family lunch does not go to plan.
Kiell Smith-Bynoe
Charlotte Ritchie
Ben Willbond
Lolly Adefope
Jim Howick
Simon Farnaby
Mathew Baynton
Laurence Rickard
Martha Howe-Douglas
