Alexander Armstrong is joined by co-host Josh Widdicombe for the brainy quiz where the contestants try to score as few points as possible by plumbing the depths of their general knowledge to come up with the answers no-one else could think of.
What caused the deaths of a man found in the water on holiday in Egypt, and a recovering alcoholic who died suddenly at home in her early 50s?
The couples' relationships continue to unravel. A chase ensues, leaving Lucía with no choice. Alex is forced to make a crucial decision.
The Action Heroes pursue the mastermind of the Shadow Falcons across the globe.
Our famous faces and a partner have to get from one side of the planet to the other without the luxuries of air travel, credit cards, smartphones or access to the internet.
The link between Dante and José is revealed, as well as the secret that drove Pablo away.
Pablo and Cecilia arrive at the Lemos Institute, where they learn the story of Dante Santana.
A copy of "Dr. Jekyll and Mr. Hyde" confirms the connection between the two murders.
José's apparent suicide triggers an investigation by his brother Pablo, who suspects a murder.
Mansilla's death exposes the connection between Dante's victims.
When 30-year-old, mother of 2, Mandi Gordon disappears, Cedar Park, TX investigators turn to CCTV for clues to help them find her. They uncover a complex web of lies and a betrayal that lead to a botched cover-up, and a grisly discovery on a remote ranch in Texas.
When a distress call leads to a desolate planet, what the crew finds turns everything on its head.
The chefs take on another field challenge as they are tasked with cooking a hearty lunch for over 100 workers.
Deep in the Northern California wilderness, Russell stops at nothing to reach a nesting site while Mireya and Bryce uncover evidence that a family of Bigfoot is nearby. Meanwhile, Ben speaks with a witness who had a chilling encounter with Bigfoot
Josh, Phil, and Heather continue their investigation into the Trans-Allegheny Lunatic Asylum, where thousands died after disturbing medical procedures. It's said their ghosts roam its now-abandoned halls.
Karen dives into a new chapter when she buys a rundown 120-year-old bungalow in Wilmington, North Carolina. It's a daunting task as her first solo reno, especially when expensive foundation repairs and an approaching hurricane threaten the entire project.