Like always, Postman Pat is happily going about his duty delivering letters and parcels around the fictional town of Greendale. One day, auditions for the TV talent show, "You're the One", are held in Greendale, which Pat manages to pass. With Pat required to be away from Greendale whilst participating in the contest, various Patbot 3000 robots are deployed to take Pat's postal duties. This soon turns out to be an evil plot to take over the world, which Pat must now stop.

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