Episode 2

Alert: Missing Persons Unit is a procedural drama about the Philadelphia Police Department's Missing Person's Unit (MPU). Each episode features a heart-pounding, life-or-death search for a missing person that runs alongside Jason Grant and Nikki Batista's series-long quest to find out the truth about their long-lost son.

American Idol is an American singing competition show, where contestants perform in front of a panel of star judges, representing the music industry. The winner is determined by viewers' vote.

The Americas showcases the wonders, secrets and fragilities of the world's greatest supercontinent. For the first time, the Americas stars in its own incomparable series, using cutting-edge technology to uncover never-before-seen behavior, and highlight the extraordinary, untold wildlife stories that will deeply connect with millions around the world. Five years in the making and filmed over 180 expeditions, this groundbreaking series reveals the spectacular landscapes of Earth's most varied landmass - the only one to stretch between both poles. The Americas' unprecedented scale and ambition delivers remarkable world firsts; new species, new intimate courtship, dramatic deep sea hunting and some of nature's strangest stories - even a frog that seems to defy death every day. Each hourlong episode features a different iconic location across the Americas: "The Atlantic Coast," "Mexico," "The Wild West," "The Amazon," "The Frozen North," "The Gulf Coast," "The Andes," "The Caribbean," "The West Coast" and "Patagonia."

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.

Married at First Sight, the extreme social experiment where four couples will meet for the very first time on their wedding day. Three top relationship experts are controlling this radical experiment involving eight Aussie singles, using a mix of neuroscience and psychology to try to create four perfect matches. Relationship psychologist John Aiken has interviewed single applicants across the nation and built a detailed personal profile for each one. Neuropsychotherapist Dr Trisha Stratford compiled the detailed neurological profiles. And psychologist Sabina Read met the applicants in their own environment to prepare to pair them with the most suitable partners. These four extremely brave and hopeful couples will face the most terrifying wedding imaginable – tying the knot with someone they have never laid eyes on.