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Set to an upbeat song written by comedian Ben 'Doc Brown' Smith - who rapped on Equality Street with Ricky Gervais - it celebrates the nation's love of food.
In keeping with the supermarket's Living Well campaign, the video was shot in black and white in London, Cardiff, Manchester and Glasgow using a cast of 200 people.
He then stumbles onto the luxurious express train to find him, and sees that the dining car is laden with a sumptuous Christmas feast.
It's then that little Kevin spots girl carrot Katie from afar, and is instantly smitten.
This year, M&S has gone for a very different approach with its festive advert, which is instead a John Lewis-style animated tearjerker that stars one of the best loved characters in children's literature.
The 90-second advert sees Paddington Bear accidentally stumble across a burglar who he mistakes for Father Christmas on the roof of his home, famously in Windsor Gardens.
The 90-second clip was directed by French duo We Are From L.
A, who made the Happy music video for Pharrell Williams.
The advert is supposed to accentuate speedy delivery from Argos, with the retailer saying online orders can be delivered in as little as four hours.
The advert, which features music by Mikis Michaelides, was shaped by research into what the public say makes a 'typical modern Christmas'.
Research commissioned by the supermarket found cracker jokes and losing the end of sticky tape topped the list.
Moz and Joe strike up a friendship based on a mutual love of late-night Scalextric and piggyback games, but staying awake starts to take its toll on the boy and Moz realises he must allow him some peace and quiet.
Joe finds a clumsily wrapped present of a night light under the tree on Christmas morning, and the ad ends with him hearing the comforting rumblings of his friend when he switches it off that night.