What Britain Buys Channel 4 Ended 1 Season · 4 Episodes · Premiered October 4, 2010 · Ended December 28, 2016 Mary Portas meets high street buyers, trend forecasters, celebrity endorsers and customers to find out which products are most popular with the British public. Where to Watch: Channel 4 Official Site Next Air Time: No upcoming air date Seasons & Episodes Season 1 4 episodes 2016 Cast Mary Portas as Mary Portas View all 1 cast members → Top Rated Shows Breaking Bad AMC ★ 9.2 Band of Brothers HBO ★ 9 Game of Thrones HBO ★ 8.9 The Wire HBO ★ 8.9 Firefly FOX ★ 8.9 Sherlock BBC One ★ 8.9 More on Channel 4 The IT Crowd ★ 8.7 Utopia ★ 8.4 Shameless ★ 8.1 Man Down ★ 8 Peep Show ★ 8 Derek ★ 8 User Reviews Rate this show Your star rating (required) ★ ★ ★ ★ ★ Submit Review