For Christian de Rezendes, the documentary has been a labor of love, one he didn't expect to grow so big and take so long.

The directors of "Billy Joel: And So It Goes" recently opened up about the making of the new HBO documentary and provided an update on the legendary singer’s health.

Reid Davenport and Colleen Cassingham join Doc Talk to talk about their documentary Life After and reframing the debate over “right-to-die” movement.