S4.E3 ∙ Hi-tech Trek: The Ghost in the Machine

The story of three American teenage girls-each adopted from China-who discover they are blood-related cousins on 23andMe. Their online meeting inspires the young women to confront the burning questions they have about their lost history.

In the summer of 1983, just days before the birth of his first son, writer and theologian John Hull went blind. In order to make sense of the upheaval in his life, he began keeping a diary on audiocassette. Upon their publication in 1990, Oliver Sacks described the work as 'the most extraordinary, precise, deep and beautiful account of blindness I have ever read. It is to my mind a masterpiece.' With exclusive access to these original recordings, NOTES ON BLINDNESS encompasses dreams, memory and imaginative life, excavating the interior world of blindness.

Filmed over 5 years, A Syrian Love Story charts an incredible odyssey to political freedom. For Raghda and Amer, it is a journey of hope, dreams and despair: for the revolution, their homeland and each other.

A funeral car cruises the streets of Medellin, while a young director tells the story of his past in this violent and conservative city. He remembers the pre-production of his first film, a Class-B movie with ghosts.

Brené Brown compares courage to vulnerability and gives her audience a call to take chances.

Before their inevitable farewell, Jorge, a young man of Mayan roots, and Natan, his half-Italian son, spend time together living off the Banco Chinchorro coral reef.