Secret Life of Twins

Two sets of identical twins switched at birth in Colombia explore their complex history and new identities in this captivating documentary.

The intimate bond between two identical twins is challenged when one decides to transition from male to female; this is the story of their evolving relationship, and the resurrection of their family from a darker past.

In this documentary, Alex trusts his twin, Marcus, to tell him about his past after he loses his memory. But Marcus is hiding a dark family secret.

As a 10-year-old “Mengele Twin,” Eva Kor suffered some of the worst of the Holocaust. At 50, she launched the biggest manhunt in history. Now in her 80s, she circles the globe to promote the lesson her journey has taught: Healing through forgiveness.

Andrea and Krisztina Marics are 28-year-old identical twins with a teaching degree that have lived together since birth. They work together at a touring circus, doing joint artistic performances. After a long circus tour abroad, Andrea leaves the close relationship and ends their work together. She feels that she can succeed on her own. Krisztina still lives and works in the circus but struggles to find her place there without Andrea. After the winter tour, Krisztina has to decide if she stays at home with her sister or continues the life of a wanderer.

Advanced technology, groundbreaking scientific discoveries about the beginnings of life, and computer animation all combine to detail how multiple siblings develop in the womb as the filmmakers at National Geographic explore the fetal growth of twins, triplets, and quadruplets. Detailed pictures of these different groupings in various stages of fetal development bring the earliest stages of life to the screen as never before.

NiiSoTeWak means “walking the path together.” Tapwewin and Pawaken are 10-year-old brothers trying to make sense of the world, their family and each other. They’re already grappling with some heady questions about identity. What does it mean to be a twin? What does it mean to be Cree? How do you define yourself when you’re forever linked to someone else? The twins discuss these questions with their two elder brothers — 22-year-old actor Asivak and 20-year-old basketball player Mahiigan — and their parents, Jules and Jake.

Documentary by Jean-Pierre Gorin about twin girls who spontaneously developed their own unique language as children.

New York, 1980. Three complete strangers accidentally discover that they're identical triplets, separated at birth. The 19-year-olds' joyous reunion catapults them to international fame, but also unlocks an extraordinary and disturbing secret that goes beyond their own lives – and could transform our understanding of human nature forever.

Gustav and Oskar are twins. Oskar has Achondroplasia, a common form of dwarfism. Both have blue eyes and blonde hair.