Season 4

Lisa Ling goes on a journey through the scintillating worlds of Tantra and surrogate partner therapy in search of sexual healing.

Lisa explores the massive and economically diverse movement of immigration from China to the United States and traces her own family roots to find out what it means to be Chinese in America.

Lisa explores the legal and social consequences of convicting adolescents and young adults of sex offenses; when teenage sexuality crosses the line and becomes a crime.

Lisa Ling reports on the Patriot Movement and embeds with a militia deep in the Arizona desert who are preparing for threats both foreign and domestic.

Islam has a long history in America; Lisa meets 3 different African American Muslims; learning about the power of Islam to reshape lives in the black community.

Polygamy in America used to be known as something practiced solely in Mormon country; a growing crop of unorthodox dating websites puts a new spin on multiple marriage; Lisa meets open-minded singles, couples and "throuples."

Every year millions flock to Las Vegas trying to fulfill a dream and win big, but outside, and underground, another world stands in stark contrast; Lisa Ling investigates the dark underbelly of Sin City that few get to see.

Lisa takes a revealing look inside the world's most prestigious transgender beauty pageant, an exciting and emotional competition.