A man seeks to repair his face after being mauled by a tiger; an 11-year-old undergoes fire treatment to lose weight; a boy living with tissue paper skin; a man with a hole in his face search for cures; a model embraces her hairy birthmarks.

A woman who slept through the birth of her child, hopes to find a diagnosis for her sleeping condition; a man with giant genitals seeks help; a 2.5ft teenager hopes to find out what stalled his growth.

A man is slowly choking to death because of his overgrown face; a boy is born with three arms; family members embrace being born with six fingers on each hand; an obese man strives to lose enough weight to have life-saving surgery.

A girl lives with ants in her head; a man undergoes surgery to remove his 132-lb tumor; a woman with a large facial tumor contemplates a life-changing surgery.

A girl's rare disorder causes her eyes to fall out of her head; a man who grows branches from his hands and feet hopes to return home; a baby with a large face tumor.

A boy can't stop his giant foot from growing; a woman with bubbly skin and her kids embrace their condition; a dwarf boy who defied the odds has one more challenge to face; a man with a facial tumor must conquer his fear of surgery.

A woman's leg swells to four times the size of her other leg. A boy living in pain due to his tightened muscles. Can doctors separate a baby boy from his parasitic twin? Two brothers avoid the sunlight.

A boy born with no eyes. A separated conjoined twin adjusts to life after losing his twin brother. Two brothers suffer from a very rare bone condition. A boy living with a huge facial growth finally gets a diagnosis.

The world's tiniest brothers find out if they'll ever be able to grow. Conjoined twins seek separation surgery. A boy with rare brain tumor. A girl living with a face tumor embraces her condition.

The world's tallest child can't stop growing. A man learns to use a dead man's hand. A teenager discovers he has a parasitic twin and it's been growing inside him. A limbless girl gets fitted for prosthetic limbs.