A boy who can't stop eating undergoes a series of operations to save his life. A young man over 7-feet tall learns if he's still growing. A boy is born without eyes. Irish twin's muscles and flesh turn to bone.

A boy tries to get his balloon facial tumor removed. A woman allergic to UV light must take precautions to avoid getting skin cancer. A woman fears her birthmark is still growing. A boy with undeveloped legs walks on all fours.

A man's maimed hand is sewn into his stomach to avoid amputation. A young girl is born with a deformed mouth and jaw. A boy's organs are inverted. A man who can't smile finds love.

A woman suffering from cyclical vomiting syndrome and a man with warts all over his body search for cures. A girl fights for a surgery that could allow her to speak for the first time.

A patient's pet causes pandemonium in the ER; a man experiences paralysis that climbs up his legs to his chest until he can no longer breathe, a war veteran suffers from phantom pain in his amputated hand.

A boa constrictor has wrapped around a man's arm and won't let go; a young woman has a severe laceration but doctors begin to suspect there may be more to her case than the injury, a young man goes into anaphylactic shock after a dinner out.

A patient appears to be hallucinating and sends ER staff on a wild goose chase; a new nurse makes a shocking mistake; doctors must determine what is wrong with their patient; a former EMT; who was found lethargic and slurring his words.

An urgent care physician must quickly think outside the box to care for two emergencies at once, a woman with abdominal pains receives an unexpected diagnosis and a yoga instructor has a dangerously high temperature for no obvious reason.

A fishing lure embedded in a man's face turns out to be the least of his problems; a pair of unconscious teenagers are brought to the ER where dramatic family secrets are revealed; an ER Tech collapses and then refuses traditional medical treatment.

A man's itchy rash turns out to be more than just poison oak; a young woman is bleeding profusely from the inside of her lip, but there is no obvious cause; a family of 3 is admitted as car accident victims, but the doctor makes a shocking discovery.

A surfer is impaled between the legs; a football player with severe leg pain leads to an unexpected diagnosis; a woman is given a powerful clot-busting drug to cure her stroke, but she has another condition that could cause that same drug to kill her