GPs: Behind Closed Doors: Young... | ...Young Mum's & Toddlers. Observational series. Polly is just a few months old and her family are worried as, when she opens her eyes wide, her eyeballs seem to 'vibrate'. (S5 Ep 20) [AD,S] | Sat, Dec 9, 3:10 am | Channel 5 | 50 mins |