Channel 4

Eighteen to twenty castaways will compete against each other on Survivor. All castaways will compete to outwit, outplay, outlast and ultimately be crowned Sole Survivor.

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.

Doc centers on the hard-charging, brilliant Dr. Amy Larsen, Chief of Internal and Family Medicine at Westside Hospital in Minneapolis. After a brain injury erases the last eight years of her life, Amy must navigate an unfamiliar world where she has no recollection of patients she's treated, colleagues she's crossed, the soulmate she divorced, the man she now loves and the tragedy that caused her to push everyone away. She can rely only on her estranged 17-year-old daughter, whom she remembers as a 9-year-old, and a handful of devoted friends, as she struggles to continue practicing medicine, despite having lost nearly a decade of knowledge and experience.

In Boston Blue, NYPD Detective Danny Reagan takes a position with Boston PD. Once in Boston, he is paired with Detective Lena Silver, the eldest daughter of a prominent law enforcement family.

Big Brother follows a group of people living together in a house outfitted with dozens of high-definition cameras and microphones recording their every move, 24 hours a day. Each week, the Houseguests will vote someone out of the house. At the end, the last remaining Houseguest will receive the grand prize of $500,000.