This latest spot for Cadburys, created by Fallon and directed by David Wilson out of Blink, aims to promote their collaboration with Ritz and features an earnest passport control worker who decides to break up his afternoon with a Cadbury's snack.
The effects are instant and before he knows it he is shimmying his way around the luggage carrousel, proving his moves are Night Fever worthy.
The ad is part of a new 7.5 million campaign to launch the new chocolaty biscuit, which hopes to position the brand in the afternoon snacking market and be "the UK's biggest snacking innovation of the year".