Gregg Wallace explores the HSL factory in West Yorkshire tofind out how they make more than 5,000 sofas every year. Thehuge site has 250 staff dedicated to furniture making. Gregg isfollowing the production of one of their best-selling sofas,the Burros Classic in indigo.Cherry Healey learns about thescience of light bulbs to create the perfect environment tosnuggle up on the sofa and visits a foam factory to see howcomfy padding is produced in just a few minutes.Historian RuthGoodman takes a front row seat to discover the history of thesofa and stitches together the fascinating story of one of theworld's most famous sewing machines.
