A preview to the program that follows the lives of three separate cases of conjoined twins and the terrifying decisions that each family is faced with.
After an intense series of operations Zainal, the second 'treeman' to be identified, has one last thing to do before making his journey home. He wants to meet the man who inspired him, Dede - the original Treeman.
In Nepal a baby has been born, he has eight limbs and some believe he is a god but the parasitic twin that Rishabh is carrying threatens his young life.
The second 'treeman' to be discovered in Indonesia, Zainal, goes under intensive surgery in an attempt to rid him of the warts that have blighted his life.
Four month old conjoined twins Mateo and McHale are in surgery to separate their bodies; joined at the base of their spines the operation poses life threatening obstacles.
Leading immunologist Doctor Martin Kast identifies a significant genetic link between the two 'treemen' of Indonesia and a third Treeman reveals himself but this time in the Netherlands.
David Koppel is hoping that the Clan will agree to be medically examined to learn more about their conditions, but one member's family is not keen on the idea