Season 4

Lisa Ling goes beyond Fifty Shades of Grey to explore the real world of BDSM: bondage and discipline, dominance and submission, and sado-masochism.

In a report about childhood obesity, Lisa Ling meets families who are struggling to help their children lose weight in order to survive.

Ling tries to help her own father navigate the challenges of aging while also exploring a graying American population who are speed dating, having sex and breaking track records, among other things.

In an episode update, Ling returns to the streets of Washington, D.C. to see how two young women who were caught up in the shadowy underworld of domestic human sex trafficking are faring, and to catch up with the crusaders who risked their lives to secure their safety.

Lisa goes inside a new religious movement where members literally hear the voice of God, proclaiming a radical message of spiritual warfare and martyrdom.

Lisa Ling explores two stories of stolen innocence and the pattern of inaction that continues to compromise our children's safety.

Polyamorous couples are committed to non-monogamy. Lisa visits three polyamorous households – each of them pushing the limits of love, commitment, and family.

Lisa Ling meets family members whose closest relatives have committed unthinkable crimes, and asks what the concept of family means in the face of these actions.

In this special episode, host Lisa Ling joins “ex-gay” organization Exodus International president Alan Chambers and a group of reparative therapy survivors as they engage in a face-to-face confrontation 40 years in the making.