Episode 4

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.

With rising international tensions in the Indo-Pacific, a brilliant and eclectic team of U.S. NCIS agents and the Australian Federal Police (AFP) are grafted into a multinational taskforce to keep naval crimes in check in the most contested patch of ocean on the planet.

Star Trek: Strange New Worlds follows Captain Pike, Science Officer Spock and Number One in the decade before Captain Kirk boarded the U.S.S. Enterprise, as they explore new worlds around the galaxy.

Sheriff Country focuses on straight-shooting sheriff Mickey Fox, the stepsister of Cal Fire's division chief Sharon Leone, who investigates criminal activity as she patrols the streets of small-town Edgewater while contending with her ex-con father, Wes, who is an off-the-grid marijuana grower, and a mysterious incident involving her wayward daughter.

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives.