In search of adventure, Andy McGrath decides to participate in some of Britain's weirdest events. He watches fearless competitors from around the world chase a wheel of cheese down a 180-metre hill in Gloucestershire.

Andy McGrath embarks on an inspiring journey back to Somerset, where he conducts a ghost hunt in the infamous Shepton Mallet Prison, and visits the magnificent SS Great Britain in Bristol.

Andy McGrath embarks on a journey back to the mystical county of Cornwall to explore a monastery perched atop a holy island and the tomb of a legendary Cornish giant who once instilled fear in a local town.

Andy McGrath explores Roman Wales, visiting ancient sites and tracing Welsh Druidry's final stand on the Isle of Anglesey. He discovers a hidden museum and hears a tale from folklorist Maxine Allinson about St. David's miraculous birth. In Carmarthen, he connects with Merlin's Oak and learns about local physicians. His journey ends in Snowdonia, where he investigates the battle behind the mountain's name.

Andy McGrath explores creepy dolls and a haunted hearse at Nottingham's macabre museum with Dr Kate Cherrell. Kate visits the National Justice Museum, a 17th-century courthouse and prison that may still house the spirits of former inmates. Meanwhile, Andy heads to one of Britain's oldest pubs, where he learns how an unpaid bar tab contributed to the legend of a cursed galleon. Later, he embarks on a quest to find evidence that Robin Hood, Nottinghamshire's legendary hero, may have been more than just a myth.

Andy McGrath returns to Worcestershire, where he pays tribute at the grave of his childhood rock hero and reconnects with Jayne Harrison. Together, they delve into a gender-biased cave and engage in a thought-provoking discussion about the mystery of Who Put Bella in the Wych Elm? Later, Andy encounters a treasure hunter inspired by Indiana Jones and embraces the vibrant traditions of May Day Morris dancing.

Andy McGrath visits one of Edinburgh's eerie vaults and encounters an inexplicable ghostly phenomenon. He retraces the steps of notorious serial killers Burke and Hare, explores the story of Felicity the puma, the only big cat ever captured in Britain, and discovers the decaying remains of the trap that once captured her, hidden in an overgrown forest. Later, he travels to the battlefield of Culloden to highlight how this significant battle profoundly impacted Scotland's future before heading to Lochs Morar and Ness to test his remote submersible in the depths of these infamous monster lakes.

In Staffordshire, Andy McGrath joins forces with Dr Kate Cherrell to explore the legends of the Kidsgrove boggart and a haunted canal. He seeks the lair of Sir Gawain's enemy, the Green Knight, while.

Andy McGrath explores the mysteries of Herefordshire, one of England's most rural and least-populated counties, which stretches from the Shropshire Hills to the Forest of Dean and from the Welsh border to the Malverns. The county is synonymous with apples and traditional orchards.

In Yorkshire, England's largest county, Andy McGrath embarks on a journey to uncover the origins of modern depiction of witches, exploring layers of history and folklore.

Andy McGrath embarks on an inspiring journey back to Scotland to explore Rosslyn Chapel and its intriguing connection to the Holy Grail, made famous by the Da Vinci Code books.

In Worcestershire, Andy McGrath embarks on an enchanting journey to a haunted bookstore once graced by Charles Dickens, investigates the captivating mystery of King John's missing bones, and stands in awe beneath an ancient oak that sheltered William Shakespeare.