Joelison from Brazil is 237cm tall. His wife is just 152cm. What's stopping them having children? In Colombia, Sharick falls asleep for up to a month. S4/Ep3
In Bangladesh, there is a person dubbed the 'tree man'. Can doctors safely remove the branch-like growths that have sprung from his hands and feet? S4/Ep2
Three-year-old Ana suffers from a brain crushing prematurely fused skull. Alex had septicaemia that rapidly led to the amputation of all four of his limbs. S6/Ep3
The stories of people round the world who suffer from rare medical conditions, including a man with a life-threatening tumour twice the size of his head. S4/Ep1
Two feet tall brothers were hidden from the world for years because they were considered cursed. Plus, a boy's brain tumour causes violent seizures. S5/Ep10
An Indian woman gives birth to a baby boy with the head and arms of his dead twin brother attached his chest. A Brazilian woman seeks treatment for her giant leg. S5/Ep8
An English girl whose limbs had to be amputated when she was born is fitted for prosthetics. A Polish man is the world's first recipient of a donor hand. S5/Ep4
An Indian girl suffers from an infestation of ants in her ear canal. And, a Brazilian woman's tiny facial birthmark has become a huge tumour despite 19 surgeries. S5/Ep2
Khalida goes to a hospital in Kashmir after suffering intense stomach pains. Doctors operate and are astonished to discover the world's biggest ovarian cyst. S4/Ep10
In Sweden, Kim's had dozens of surgeries on a huge facial tumour, but stopped after he almost died. He needs one more operation - can he go through with it? S4/Ep9
Laisha, eight, from Texas, is just 70cm tall with a rare form of dwarfism. She visits the region of Ecuador where hundreds of people have the same condition. S4/Ep7
Joelison from Brazil is 237cm tall. His wife is just 152cm. What's stopping them having children? In Colombia, Sharick falls asleep for up to a month. S4/Ep3
In Bangladesh, there is a person dubbed the 'tree man'. Can doctors safely remove the branch-like growths that have sprung from his hands and feet? S4/Ep2
The stories of people round the world who suffer from rare medical conditions, including a man with a life-threatening tumour twice the size of his head. S4/Ep1
A woman undergoes a face transplant, a Chinese boy has a very long neck, a girl has a huge amount of excess hair, and a boy has a giant scrotum. S3/Ep5
A Brazilian village fears the sun, a South African woman has giant legs, there's an armless American mother and a girl's tongue won't stop growing. S3/Ep3
A woman battles an aging condition. Plus, three Filipino brothers can never grow, and a football team of little people fights prejudice in Brazil. S3/Ep1
Meet the mysterious 'bubble man' of Jakarta, the teenage beauty who grew into a giant and the world's tiniest teen, but will she achieve her big dreams? S1/Ep6
Meet Thailand's werewolf girl, the eight-year-old girl who weighs the same as a heavyweight boxer and can doctors solve the mystery of the girl who cries blood? S1/Ep5
It's a race against time for a child with an extraordinary neck growth, and there's a medical revelation for a 31-year-old woman trapped inside the body of a baby. S1/Ep1