Ask Dr. Zach - Season 1

Tracker features lone-wolf survivalist Colter Shaw, who roams the country as a "reward seeker," using his expert tracking skills to help private citizens and law enforcement to solve all manner of mysteries while contending with his own fractured family.

NCIS (Naval Criminal Investigative Service) is more than just an action drama. With liberal doses of humor, it's a show that focuses on the sometimes complex and always amusing dynamics of a team forced to work together in high-stress situations. Leroy Jethro Gibbs, a former Marine gunnery sergeant, whose skills as an investigator are unmatched, leads this troupe of colorful personalities. Rounding out the team are Anthony DiNozzo, an ex-homicide detective whose instincts in the field are unparalleled and whose quick wit and humorous take on life make him a team favorite; the youthful and energetic forensic specialist Abby Sciuto, a talented scientist whose sharp mind matches her Goth style and eclectic tastes; Caitlin Todd, an ex-Secret Service Agent; and Timothy McGee, an MIT graduate whose brilliance with computers far overshadows his insecurities in the field; Assisting the team is medical examiner Dr. Donald "Ducky" Mallard, who knows it all because he's seen it all, and he's not afraid to let you know. From murder and espionage to terrorism and stolen submarines, these special agents travel the globe to investigate all crimes with Navy or Marine Corps ties.

90 Day: The Last Resort couples have reached their breaking points. In a final attempt to salvage their relationships, each couple will participate in a couples retreat to determine whether or not they can heal old wounds. Alongside a team of professionals, they'll actively navigate issues with trust, sex, jealousy, anger, and intimacy. Explosive group therapies, intense couples' sessions, past life regressions, unique on-and-off-resort activities, and so much more ensue. At the end of the retreat, each couple must decide if they will stay together or move on, separately.

90 Day Fiancé offers a unique look into the world of international dating and matrimony. Using a unique 90-day fiance visa, the K-1 visa, four women and two men will travel to the U.S. to live with their overseas partners for the first time. The couples must marry before their visas expire in 90 days, or the visiting partner will have to return home. They'll have to overcome language barriers, culture shock and skeptical friends and family -- all with a clock that starts ticking the moment they step foot on U.S. soil. The stakes are incredibly high as these couples are forced to make a life-altering decision: get married or send their international mate home.

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.