Viajeros Cuatro

In this harrowing reality series, “Survivorman” Les Stroud travels to far-flung locales with little more than the clothes on his back and 50 pounds of camera equipment to battle - and try to survive - insanely harsh conditions.

Some of the most amazing, eye-opening and downright scary paranormal videos from around the world are featured as a panel of experts break down the footage and analyze what exactly the eyewitnesses captured.

Can you tell the difference between fact and fiction? Several stories of strange, mysterious and incredible occurrences are chronicled during each episode. It is up to the viewer to decide which stories actually happened and which were completely fabricated by the show’s writers. The answer is revealed by Jonathan Frakes at the conclusion of each episode.

In 2004 Ewan McGregor and Charley Boorman embarked on an epic challenge to bike 20,000-miles across 12 countries and 19 time zones in just 115 days. Watch as two friends ride around the world together and, against all the odds, realize their dream.

32 participants, divided into 8 teams, made up of two men and two women face air, water, earth and fire tests.

This hourlong documentary series focuses on the issue of teen pregnancy, with each episode detailing the wide variety of challenges -- marriage, adoption, finances, gossip and graduating high school among them — a pregnant teenager faces while still coming of age.

Viewers go deep into an Alaskan winter to meet six tough and resilient residents as they try to stay one step ahead of storms and man-eating beasts to make it through to spring. The closest neighbor to Sue Aikens is more than 300 miles away. Eric Salitan subsists solely on what he hunts and forages. Chip and Agnes Hailstone catch fish for currency in bartering for supplies, and Andy and Kate Bassich use their pack of sled dogs for transportation.

Follows 5 NBA players throughout an entire NBA series, delving into their on-court performance and off-court personal lives.

Profiles of some of the men who choose to live off the grid in the unspoiled wilderness, where dangers like mudslides, falling trees and bears are all part of everyday life.

In this romantic docuseries, people on the autism spectrum look for love and navigate the changing world of dating and relationships.