Sky History Thursday

A seller brings in an unusual diamond crafted from the DNA of a musical genius. A vintage book collection also comes in, and Chum has a birthday surprise for Rick

Brandon and Lori try to win valuable lots at auction. Sean uncovers a bin which has been used for a big prank, while Jesse forges controversial allegiances

Minds are blown when two of the buyers team up for a major score. Jesse takes a big gamble on some African art

Robbie unveils his sprawling retro garage, and in Southern California, the Wolfe brothers come face-to-face with the King of Signs

Weapons-crafting contest. Five novice smiths take part, and the two left standing must re-create a 16th-century weapon known as the war golok

The competition hits a fever pitch when a container from south of the border arrives in Los Angeles

Dusty and Lupe steal a no-brainer locker, which pays off handsomely. Darrell taxes himself, which almost puts him in storage jail. Brandi and Lisa find their true identities

Lisa 'channels her grandmother' in trying to turn a profit, Brandi contends with a frustrating day, while Darrell tries to make a meal out of a snack-sized locker

Lisa comes to Montebello with a clear mind, intent on letting the lockers 'speak' to her. Kenny is absolutely appalled by what he finds abandoned in his unit

Ivy drags Isaiah to Victorville as punishment for getting Cs on his report card. Kenny wants to furnish his new house, but there are eight reasons standing in his way

An elite crew works to salvage America's biggest shipwreck before hurricane season hits. Plus, a huge, mysterious object is raised from the depths of the ocean

After thriving for three centuries, the Celts turned from traders into proven warriors, weapon-masters and metal artists in a time that became their golden age

Documentary profiling Hades, the god of the underworld. Plus, a look at Greek mythology's understanding of the afterlife

The story of Zeus, the king of the Greek gods, and how he led the Olympians to defeat the Titans and gain control of the universe

The Fiat 126 is the latest target of car enthusiasts Will and Gus and the team. Though the one they acquire is rust-free, it runs terribly

The memorabilia experts check out a supercharged motorcycle, a calculator from 1915 and 200-year-old buttons with possible links to George Washington

The Wolfe brothers uncover an overgrown vintage Cadillac graveyard in the woods, and peel back the layers of a gargantuan California stockpile

The bladesmiths are challenged to salvage a cannon to make signature blades. The finalists recreate the North African Kabyle flyssa, a blade traditionally used to break mail armour

Joey and Kallie face-off against Daniel and Zak in a high-stakes competition. The losing team will have to cook a crab dinner for the winners

A look at some of the most peculiar contests humans have devised, including the intense world of toe wrestling and the arguably subjective realm of ugly pet competition

Cameras capture a psychedelic swirl in the Utah wastelands, a bizarre configuration of circles in the Sahara and a remote polka-dot lake in Canada.

Witnesses who have been left literally touched by the unknown, experiencing 'contact' events that take the shape of nightmares

Docudrama about Queen Victoria's four favourite grand-daughters the Hesse sisters, each of whom married into one of the great royal houses of Europe

The memorabilia experts check out a supercharged motorcycle, a calculator from 1915 and 200-year-old buttons with possible links to George Washington

The top 10 unexplained technologies, from mysterious golden orbs discovered in Mexico to a sacred wooden box that could communicate with the heavens

The bladesmiths are challenged to salvage a cannon to make signature blades. The finalists recreate the North African Kabyle flyssa, a blade traditionally used to break mail armour

Dusty and Lupe steal a no-brainer locker, which pays off handsomely. Darrell taxes himself, which almost puts him in storage jail. Brandi and Lisa find their true identities

Lisa 'channels her grandmother' in trying to turn a profit, Brandi contends with a frustrating day, while Darrell tries to make a meal out of a snack-sized locker

Lisa comes to Montebello with a clear mind, intent on letting the lockers 'speak' to her. Kenny is absolutely appalled by what he finds abandoned in his unit

Ivy drags Isaiah to Victorville as punishment for getting Cs on his report card. Kenny wants to furnish his new house, but there are eight reasons standing in his way

The memorabilia experts check out a supercharged motorcycle, a calculator from 1915 and 200-year-old buttons with possible links to George Washington

Joey and Kallie face-off against Daniel and Zak in a high-stakes competition. The losing team will have to cook a crab dinner for the winners