Episode 20

In the criminal justice system, the people are represented by two separate, yet equally important, groups: the police, who investigate crime; and the district attorneys, who prosecute the offenders. These are their stories.

In NCIS: Origins, young Leroy Jethro Gibbs starts his career as a newly minted special agent at the fledgling NCIS Camp Pendleton office where he forges his place on a gritty, ragtag team led by NCIS legend Mike Franks.

Legendary NCIS Agent Sam Hanna returns to his hometown of New York City to their field office, partnering with a roguish agent and helping lead a new team as they are tasked with high-stakes missions to defend one of the most vital cities and ports in the world. 

After achieving success in her younger years, the brilliant septuagenarian Madeline Matlock rejoins the work force at a prestigious law firm where she uses her unassuming demeanor and wily tactics to win cases and expose corruption from within.

Surviving Earth will take an incredible journey into prehistory to learn the lessons from past mass extinctions.

Adopting cutting-edge digital technology, each episode transports the viewer back to meet the bizarre and amazing creatures and breathtaking landscapes of a vibrant lost world. Audiences will witness how life finds a way to survive on a planet where meteors fall, super volcanoes erupt, seas boil and the land moves. From the creators of "Walking with Dinosaurs" and "Primeval," these are the stories of the survivors, fighters and lucky ones that shaped the world we live in.