Episode 4

A young boy known as the Avatar must master the four elemental powers to save a world at war — and fight a ruthless enemy bent on stopping him.

The most miserable person on Earth must save the world from happiness.

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.

An emotional thrill ride through the day-to-day chaos of the city's newest state-of-the-art trauma center and into the lives of the courageous doctors, nurses and staff who hold it all together. This is one of those days.

From the expansive universe of Dune, 10,000 years before the ascension of Paul Atreides, Dune: Prophecy follows two Harkonnen sisters as they combat forces that threaten the future of humankind and establish the fabled sect that will become known as the Bene Gesserit.