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From military radar to Navy aircraft, sightings of Unidentified Aerial Phenomena have become more frequent - leading to unprecedented acceptance of alien contact.

Several US presidents have described encounters with UFOs - is there already an agreement in place between our world leaders and intelligent alien life.

30mph winds batter Desert Hot Springs, and the buyers do their best to keep standing. Rene and Gunther dust off an old locker.

Not All That Glitters Is Gourd: Back in the city of Orange, the Vegas Ladies arrive in vintage style - though not everyone agrees.

Chum goes with his gut instead of bringing in an expert when buying a risky item. Also, Rick checks out a 1965 service medal from Panama Canal.

Rick tests his grip on a vintage Gottlieb arcade machine, while Chum attempts to make the Old Man go viral.

When a Navajo Shaman performs a sacred ritual at Homestead Two, the team encounters a series of strange and unsettling events.

In Queensland, a musician wakes to find himself inexplicably transported from his bed into a remote rainforest...was this an alien abduction.

Mike restores a 1971 Super Bee, struggles to sell cars and hunts for a new place to live.

Vandalism strikes the Wildman shop, inspiring Avery to finish building his Manta Coyote car kit. Meanwhile, Mike plans an auction for his car collection.

As the clock ticks towards his auction, Mike races to restore as many cars as he can, while Avery struggles to finish the Manta in time at Wildman.

Delta Team Luke and Ice chase a very fit feeling driver, while Customs drug dog team Kofe and Yara rev up the pressure on smugglers.

Mike heads to the home of the Great Razooly a sculptor, entrepreneur and horror icon whose collection includes monsters, gargoyles and a rocket ship.

The biggest auction on the planet explodes when a mysterious container from the Far East makes landfall in Los Angeles.

Mo and Ty, AKA 'Team Muscle', make their move and go on the attack.

A mysterious container from Guam has the competition ready for battle. Manic Matt fires a warning shot, but the Israelis aren't backing down.

The mother lode of all containers makes landfall. Jason and Matt go all in, but will their hunches pay off.

Jason gets the inside track on a container that could have him coasting to paradise.

A squabble over the contents of a mysterious container threatens to destroy Mo and Ty's partnership for good.

Corey comes face-to-face with a life-size Creature from the Black Lagoon. Feeling inspired, he and Chum set out to give Rick a fright.

While Rick checks out some vintage X-Men and Avengers comic books, Chum is inspired to dig around his old comics to see if he has a secret fortune.

Ivy thinks he's a comedian, but the gizmo in his locker is no joke. Brandi and Jarrod make sure that what they find in their unit doesn't stay there.

North Long Beach doesn't really bring out the best in the buyers, though they do manage to make a charitable contribution.

Chase the final legend as Guy Walters and Justine brave Austria's Lake Toplitz, where Nazi gold myths fade but the thrill of the hunt endures.

Wildlife dangers escalate as one participant faces a moose, another is stalked by a bear and survival grows ever more challenging.

The Israelis form an unexpected alliance that threatens to bury their competition.

When a container with a shady past lands on the auction block, Mo and Ty prepare themselves to go all in.

The competition approaches fever pitch when a container from south of the border lands at the Port of Los Angeles.

The biggest auction on the planet sails to the middle of the Pacific Ocean when a mysterious container is dredged up from the bottom of the sea.

Mo and Ty set their sights on a container from Mexico, but could everything inside be damaged goods? The Israelis pin their hopes on a mysterious wooden crate.

Mio and the Israelis join forces on a container from Africa, A collection of strange items spark an intense bidding war.

Containers from New York make their way to Long Beach, California, bidders are interested in a billionaire's unclaimed goods and a one-of-a-kind auction is held.

Bidders battle over a super heavyweight freight, while a container filled with outdoor adventure equipment holds a surprise.

Mike meets someone who shares his passion for vintage treasures, this leads him to a space filled with items that seem to be untouched by time.

Texas Showdown: Head out to Texas and the Bill Moran School of Bladesmithing for this special edition, where three of their top smiths are put through their paces.

In the remote Kimberley town of Warmun, Mike, Vinnie and Chris haul battered wrecks on the long road to Perth, chasing the volume needed to turn scrap into profit.

Wildlife dangers escalate as one participant faces a moose, another is stalked by a bear and survival grows ever more challenging.

The guys are looking for any French car that is not a 2CV - but once they come across this one, it's impossible to turn down.

Since he can't get the roof to work, the owner of a Mercedes SLK decides to sell it to the team - who quickly recognise the expensive and complicated problems.