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The First 48 follows detectives from around the country during these first critical hours as they race against time to find the suspect. Gritty and fast-paced, it takes viewers behind the scenes of real-life investigations with unprecedented access to crime scenes, autopsies, forensic processing, and interrogations.

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.

Inspired by the extraordinary life and work of world-famous author and physician Oliver Sacks, Brilliant Minds follows a revolutionary, larger-than-life neurologist and his team of interns as they explore the last great frontier - the human mind - while grappling with their own relationships and mental health.

Georgie & Mandy's First Marriage follows Georgie and Mandy as they raise their young family in Texas while navigating the challenges of adulthood, parenting and marriage.

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.