BBC News at Five - Season 3 / Year 2017

The UnXplained will tackle subjects that have mystified mankind for centuries, from mysterious structures and cursed ancient cities to extraterrestrial sightings and bizarre rituals. The series will also feature contributions from top scientists, historians, engineers and researchers - each seeking to shed light on how the seemingly impossible can happen.

The Chi is a timely coming-of-age story centering on a group of residents who become linked by coincidence but bonded by the need for connection and redemption. Kevin is the pre-teen who must step past shattered illusions and embrace the normal rites of childhood, while Brandon the dreamer makes his own nearly impossible leap of faith to succeed in life and love with girlfriend Jerrika. Emmett is the carefree teen is thrust into complex responsibility with guidance from his mother Jada, and Ronnie is the drifter whose struggle to love and be loved calls into question his every pursuit.

It's the deadliest job on earth: crab fishing off the Alaskan coast on the icy Bering Sea. These adventurers will battle Arctic weather, brutal waves, and a ticking clock for big money in this modern-day gold rush from which they may never return.

Resident Alien is a dark, twisted and comedic fish-out-of-water story that follows a crash-landed alien named Harry who, after taking on the identity of a small-town Colorado doctor, slowly begins to wrestle with the moral dilemma of his secret mission on Earth — ultimately asking the question, "Are human beings worth saving?"

Dexter Morgan awakens from a coma and sets out for New York City, determined to find Harrison and make things right. But when Miami Metro's Angel Batista arrives with questions, Dexter realizes his past is catching up to him fast.