Several weeks into their filming schedule, and the BBC crew were already treated as part of the furniture at Sheffield Children's Hospital, and began to understand the hard realities of the economies that force the staff to make some difficult decisions.
Severe winter weather has led to a rush of emergency admissions, and every bed is full; but there are still children with chronic problems in need of surgical beds. Into the chaos comes Michael [text removed], a toddler with a serious intolerance to food, here to attempt the "egg challenge".
Meanwhile 2-year-old Luke [text removed] is down on intensive care, as he has been for most of his life, struck down by a rogue virus, paralysed from the waist down. And Jonathan [text removed] is back, as the frame on his foot is causing him pain.