The great thing about movies is there're just movies. They're not real. You can fall off a skyscraper or get shot 27 times and still survive. Christmas movies are no different. With some help from Jake from Vsauce3, former NASA engineer Mark Rober puts scenes from Home Alone, Elf, and A Christmas Story up again science to see how they hold up. The pair place their bets and the winner gets a major award.