The Great British Sewing Bee, 9pm, BBC1

WEEK five is children’s week, and Sara Pascoe (pictured) invites the remaining contestants to make a cute sailor suit for a toddler. Old school clothes get a new lease of life in the transformation challenge, and the made-to-measure task is to make fancy-dress outfits for Halloween. Whose costume will go down a treat — and whose will have missed a trick?