Tom Daley hosts the final of the knitting competition, alongside judges Di Gilpin and Sheila Greenwell. The three finalists team up to yarn bomb a post box, transforming it into a vibrant masterpiece that reflects their journey through the competition. Then, in their ultimate solo challenge, they must craft their own showpiece knitted hat. After their needles knock for the last time, it's hats off for the winner. Who'll become the UK's first TV knitting champion?