Blood On His Hands: Despite being spotted in a pub with blood on his hands, the killer of teenager Colette Aram wasn't arrested until 27 years later. He later died in custody. (S3, ep 2)

For The Love Of Money: When a young mother vanished in Hertfordshire, police suspected she'd run off with a lover. So when they found her body, they had only one suspect in mind. (S2, ep 2)

Love, Greed & Betrayal: Those involved in the case discuss how Stephen Seddon committed the cold-blooded murder of his parents to collect a £230,000 inheritance. (S5, ep 1)

Documentary examining how a wealthy landowner's acrimonious divorce led to murder. In 2011, Adrian Prout finally revealed where his wife's body was buried. (S3, ep1)

A Walk In The Dark: The tragic story of Rachel Moran, who went missing on New Year's Day, 2004, sparking a mass police search in Hull which would eventually lead to her killer. (S2, ep 1)

Secret Fleabomb: As troops mobilised following Pearl Harbor, America was gripped by fear. Meanwhile, Japan had a weapon that could turn their nightmare into a reality. (S1, ep 4)

Hitler's Lost Gold: Rumours swirl throughout Europe that Nazi trains of gold looted from innocent people and Nazi-occupied state banks were lost while crossing the continent. (S1, ep 6)

Boom Or Bust: Rick ponders over a cannon that could be worth up to $40,000, and, as a man tries to pawn his 1.5 ton table saw, the pawn stars wonder how on earth they'll get it to the shop.

Pawn of Fire: A model train, allegedly owned by 'The Man in Black' Johnny Cash rolls into the shop. Is the train worth adding to Rick's rock'n'roll collection? (S17, ep 1)

Reach For Raphael: The guys are awestruck by one of the rarest items ever to come through their doors - an artwork believed to be by Renaissance master Raphael. (S16, ep 1)