Will Ferrell has surprised people in New York by donning a Christmas jumper and asking questions about their favourite festive films.
Joined by Billy Eichner of the show 'Billy on the Street', Ferrell throws himself into the task of gleaning as much knowledge about the favourite holiday movies of passersby as possible.
The 'Elf' star gets into a particularly heated exchange with a woman towards the end of the clip, involving a very melodramatic shouting match as the pair face off.
MORE FESTIVE FUN:
Watch the full clip, above.
'Billy on the Street' is an American comedy game show hosted by Billy Eichner.
During each episode, Eichner goes out to the streets of New York and asks pedestrians questions about pop culture.
Games include 'For A Dollar' and 'Quizzed in the Face'. Eichner is also the executive producer and creator of the series.
But Ferrell's appearance marks the show's festive edition - and they couldn't have chosen anyone better.
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