Blaze (Freeview) Wednesday

David Dickinson visits Caernarfon, north Wales, where a seller surprises the experts by knowing the exact valuation amount for her lighter figurine

Scott and Sheldon search for a canoe, but finding one proves exceptionally difficult. The other vendors seem even more reluctant than usual

Allen Haff is intrigued by a lot containing high-quality tools and antique furniture, but struggles to outbid his new rival. Plus, a 1930s dynamite detonator box is discovered

The buyers head to Palm Springs, California, in search of higher-end goods. Kenny tries to amp up the profit on an otherwise unimpressive unit

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

Les gets invited to give a lecture at a local business school. Meanwhile, Ashley and Bobby J go to war over a collection of Nerf guns

Les questions Ashley's management skills when two employees get into a fight on the shop floor. Meanwhile, Seth stumbles upon a potentially huge deal

Les hatches a secret plan to put his employees to the test, but how will Seth, Ashley and Karen react when they find out

Reported accounts of genuine alien encounters, examining more previously off-limits information to investigate where in the universe UFOs could be coming from

Investigating the reasons behind Nasa's denials of UFO accounts and why the organisation has taken measures to prevent its astronauts from telling their stories

The team seeks out the wreck of the Revonoc, a racing yacht that vanished in 1958 with a crew of five. A freak magnetic anomaly was detected in the Triangle when she went missing

Startling mysteries captured by satellites orbiting the Earth, here featuring the man-eating mountain - a black scar in a remote Australian forest revered by Aboriginal tribes

A customer comes in with a rare HG Wells book and an enormous asking price, while a horse statue made of turquoise moseys on in

Sheldon spots a solid brass ship wheel on his hunt for collectibles, while Scott meets a local picking legend whose wild collection includes an erotic powder horn

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

The top 10 mysteries of the deep, from sunken continents to supposed proof of the lost city of Atlantis

A notion that the gods of Greece - including Zeus, Apollo and Poseidon from Mount Olympus - were actually extra-terrestrial visitors to Earth

Investigating beliefs held by some experts that many atmospheric light shows are actually caused by extraterrestrials

Experts assess the possibility that alien invaders could opt to destroy life on Earth rather than attempt to enlighten mankind

Scott and Sheldon search for a canoe, but finding one proves exceptionally difficult. The other vendors seem even more reluctant than usual

David Dickinson and the team value antiques in Morecambe, Lancashire, where an exciting perfume bottle turns up on dealer Alison Chapman's table

Andy McGrath explores Roman Wales, visiting ancient sites and tracing Welsh Druidry's final stand on the Isle of Anglesey

The veteran actor highlights the many puzzling artefacts from around the world, challenging everything known about the technological capabilities of distant ancestors

Two British passenger planes, almost identical, named the Star Tiger and the Star Ariel, vanished in the 1940s. The team targets an unidentified wreck that might be the Star Ariel

Sightings of a 60ft shark that might be a giant new species or a prehistoric survivor in the waters off Mexico's Baja Peninsula

Reported accounts of genuine alien encounters, examining more previously off-limits information to investigate where in the universe UFOs could be coming from

Investigating the reasons behind Nasa's denials of UFO accounts and why the organisation has taken measures to prevent its astronauts from telling their stories

The life of self-proclaimed faith healer and psychic Edgar Cayce. He became a worldwide sensation in the early 1900s, claiming to receive visions of both the past and future

Dave Marciano races ahead after a run of disappointing seasons. However, the number of days boats can spend at sea is limited, so getting off to a good start is vital

Ashley and Les head off to a huge estate sale. Seth takes a custom Corvette go-kart for a spin and Karen eyes up a piece of 1970s movie memorabilia

David Dickinson helps members of the public in Bangor, north Wales, sort the treasures from their trash, offering them the chance to put items up for auction or accept a cash sum

David Dickinson and the team value antiques in Morecambe, Lancashire, where an exciting perfume bottle turns up on dealer Alison Chapman's table

Sheldon spots a solid brass ship wheel on his hunt for collectibles, while Scott meets a local picking legend whose wild collection includes an erotic powder horn