TV Guide Sky History Saturday

Rick Harrison, Corey Harrison and Austin 'Chumlee' Russell embark on a thrilling journey to St Paul, Minnesota, in search of unique treasures. In this episode, the trio stumble upon an impressive trilobite fossil collection, sparking excitement and intrigue

Chum gets his hands on a one-of-a-kind chair with a strange feature. A helmet that once belonged to Evel Knievel lands in the shop, while Corey pedals into the past with a toy inspired by the Weinermobile

In Guatemala, an old site made up of a series of strange structures is found. On a remote island, a lake full of jellyfish is studied. Argentinian researchers find a complex that may have a dark past, while a flower found in Sumatra gives off a foul scent

Joey and Kallie face-off against Daniel and Zak in a high-stakes competition that promises plenty of thrills. The stakes are high, as the losing team will have to cook a crab dinner for the winners

Jacob and Little Willie face a frustrating day as they discover multiple poached lines, forcing them to set up a hidden camera to catch the culprit. Ronnie recruits Chase Landry to help him fill his boat with giant gators

Car builder Ian Roussel works on his most important build yet - a wedding present for his wife. Convinced that an all-terrain dune buggy will be the perfect gift, he starts with a VW engine and suspension, adds a fibreglass body, then adds desert-inspired paint

Alice Roberts spends a year visiting archaeological digs around the country, finding out about discoveries that shed new light on British history. In Buckinghamshire, Simon Mays and Jill Eyers use a recent rediscovery of artefacts from a 1912 excavation to investigate what appears to have been a mass infanticide during the Roman era. Alice also meets the team examining one of the largest discoveries of Roman coins ever made in Britain, and hears about a mystery in Dorset

Alice Roberts visits Happisburgh in Norfolk, where the discovery of rare artefacts provides evidence of the earliest human occupation in Britain, challenging the conventional belief that mankind would not have been able to survive in northern Europe one million years ago. She also joins a team at Forteviot in Scotland, where the uncovering of a Bronze Age grave holds a big surprise

Alice Roberts travels to Bamburgh, Northumberland, to learn about the generations of Anglo Saxons who lived and worked there, gaining an insight into the illnesses they suffered and the societies in which they lived. She visits the Sutton Hoo site, as well as a pioneering project in Sittingbourne, Kent, which was set up following the unearthing of an Anglo Saxon cemetery, and looks at the Staffordshire hoard discovered by a metal detector in 2009

Rob visits Bosworth Field, site of the decisive battle in 1485 that ended the Wars of the Roses and ushered in the Tudor royal dynasty. He considers the key stages of the battle with historians and battle re-enactors, while Professor Turi King of Leicester University reveals how the remains of Richard III were discovered

Recounting an instance when an Australian rancher went to check what was frightening his herd, only to spot a large UFO hovering above a water tank. The object then sped off into the distance