Morgan Freeman travels the world to study the cycles of war and peace. From the ritualized combat of the sacred Tinku festival in Bolivia to Rwanda's post-genocide reconciliation program, this episode deals with humanity's enormous capacity for violence and the endless pursuit of harmony. Conflict can drive innovation, but is war necessary?

Jeffrey Epstein brokers a plea deal that's unprecedented in its leniency, and a survivor opens up about the horrors she endured on his private island. Epstein Jeffrey shared his island with a lot of powerful and well-known figures, both politically and financially.

Since the original series went on the air in 1966, the Star Trek franchise has had a history of ups and downs in the toy business - from AMT's faithful scale model kit of the USS Enterprise to Remco's obscure tie-in merchandise, to Mego's best–selling action figure line. Following Mego's bankruptcy in 1983 and a string of flops by Ertl and Galoob, Playmates Toys picked up the toy license in the late 1980s and sparked a resurgence in the franchise's toy sales.
From the mid-2000s onwards, companies such as Art Asylum and McFarlane Toys continue to keep the Star Trek toy franchise alive.

From virtually the moment we're born, there's a story that's preached across cultures and continents. It's a familiar fairy tale, that finding one true love is the key to a fulfilled and happy life. As an adult, we're forced to reconcile the messaging on monogamy with one simple fact: humans are terrible at it.
What do biology, human history and the promiscuity of bonobos reveal about monogamy? Experts and everyday couples weigh in on shifting cultural norms.

Does the stock market accurately reflect the status of the economy? Finance specialists discuss market history, valuations and CEO incentives.

A heroic congressman, Leo Joseph Ryan Jr, travels to Jonestown; some Temple members plot their escape. Jim Jones realizes the walls are closing in and plans his final stand. After the massacre, the world learns about mass murder/suicide in Jonestown, orchestrated by cult leader. Survivors try to piece their lives back together.