This Christmas, Chris Ramsey and Paul Chowdhry, alongside engineer Zoe Laughlin, will scientifically assess stunts from much-loved Christmas action film, Die Hard. From rooftop escapes to walking over shattered glass, Chris and Paul will put the stunts to the test to discover how to tackle them in real life. Along the way, the pair will set out to answer the biggest question of all: is Die Hard a Christmas film?