Episode 20

District 21 of the Chicago Police Department is made up of two distinctly different groups. There are the uniformed cops who patrol the beat and go head to head with the city's street crimes. And there's the Intelligence Unit, the team that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond. These are their stories.

9-1-1 is a fast-paced exploration into the lives and careers of first responders – cops, paramedics, firefighters – the people who put their lives on the line to save others.

High Potential follows Morgan, a single mom with an exceptional mind, whose unconventional knack for solving crimes leads to an unusual and unstoppable partnership with a by-the-book seasoned detective.

The doctors of Grey Sloan Memorial Hospital deal with life-or-death consequences on a daily basis -- it's in one another that they find comfort, friendship and, at times, more than friendship. Together they're discovering that neither medicine nor relationships can be defined in black and white. Real life only comes in shades of grey.

The Proof Is Out There takes an in-depth look at some of the most incredible and thought provoking videos of unexplained phenomena and mysterious must-see moments of all time. Each half-hour episode explores and analyzes the full story of each irregularity in question from bizarre footage of people seemingly immune to lightning, to a fifty-foot snake, apocalyptic sounds in a man's backyard, enigmatic creatures, and UFOS that split and dive underwater. Through expert examination and the use of the latest technologies, The Proof Is Out There aims to get to the bottom of what's real? What's fake? And everything in between.