Are Roller Coasters Actually Good For Your Brain?

On Last Week Tonight with John Oliver, John Oliver presents a satirical look at the week in news, politics and current events.

Lioness, inspired by an actual U.S. Military program, follows the life of Joe while she attempts to balance her personal and professional life as the tip of the CIA's spear in the war on terror. The Lioness Program, overseen by Kaitlyn Meade and Donald Westfield, enlists an aggressive Marine Raider named Cruz to operate undercover alongside Joe among the power brokers of State terrorism in the CIA's efforts to thwart the next 9/11.

In the midst of an international crisis, a career diplomat lands in a high-profile job she's unsuited for, with tectonic implications for her marriage and her political future.

The Pitt is a realistic examination of the challenges facing healthcare workers in today's America as seen through the lens of the frontline heroes working in a modern-day hospital in Pittsburgh, Pennsylvania. Each episode follows an hour of Dr. Robby's 15-hour shift as the chief attendant in Pittsburgh Trauma Medical Hospital's emergency room.

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.