S41.E12 ∙ Lost Worlds: Wild South America: Great Plains

Explores the dangerous human impact of social networking; tech experts sound the alarm on their own creations.

Young filmmakers document their colleague's budding online friendship with a young woman and her family which leads to an unexpected series of discoveries.

Filmmaker Davis Guggenheim follows Al Gore on the lecture circuit, as the former presidential candidate campaigns to raise public awareness of the dangers of global warming and calls for immediate action to curb its destructive effects on the environment.

The Cambridge Analytica scandal is examined through the roles of several affected persons.

The film follows Opportunity, the Mars Exploration Rover affectionately dubbed Oppy by her creators and scientists at NASA. Oppy was originally expected to live for only 90 days but she ultimately explored Mars for nearly 15 years.

In post-industrial Ohio, a Chinese billionaire opens a factory in an abandoned General Motors plant, hiring two thousand Americans. Early days of hope and optimism give way to setbacks as high-tech China clashes with working-class America.