Dr Christian invites diet swappers back to the feeding clinic to discover how they are getting on with their healthy new lifestyles.
Previously superskinny Gillian entered the feeding clinic with Phillipa to see if she could unlock her dysfunctional relationship with food. Has she been able to do this?
It's been a year since full time working-mum Heather attempted to curb her enormous appetite. Catch up with her story.
This revisit also looks back at the harrowing stories of four brave women who sought treatment for anorexia nervosa.
And serial dieter Anna Richardson returns to show a group of friends how to have their cake and eat it.
click here to see where to watch or .
Ready to Watch Supersize Vs Superskinny, Season 3, Episode 9?