What happened to 16-year-old Theresa Bier in the remote forests of California? Locals will say Bigfoot took her, but investigators want answers.

As Arctic ice wreaks havoc on the fishing grounds, Rick risks losing a fortune in crab pots. Johnathan tests the Time Bandit's reinforced bow.

As Father's Day weekend approaches, a rogue storm in the Texas Panhandle ignites a monster outbreak, unleashing over 80 tornadoes across 14 states.

Phil and Jess investigate a 30-ft serpent that's been spotted in Lake Champlain for generations. A dangerous dive uncovers new evidence.

The shop hits the road with their freshest builds to check out the competition. Will and Dave's cousin Brad give their views on the cars they come across.

The Baggage Battlers head to Greensboro, which is a major hub for imported and exported goods. But will they unearth any valuable items in the lot at Quality Salvage?

Chase Morrill and his team help a DIY homeowner jump-start his project and complete a renovation near Damariscotta, ME, that will keep the kids happy.

The Rockhounds need a miracle to turn their season around. Kirsty and Patrick need to find rare Ocean Kyanite crystals to have a chance of recouping their debt.

Henry and Fuzz motor over to Taff's place in Lincoln. His extensive collection of Easy Rider-style chopper motorbikes includes an engraved 1970s Yamaha.

Henry and Fuzz view an exquisite collection of military and civilian vehicles in Guildford. What will they sell to the drummer from a British rock band?

Mike finds a true unicorn of the car world: a '95 Volvo 850 T-5R, a station wagon with a racing pedigree. Unfortunately the engine needs some serious work.

What starts out as a simple engine repair on a 1935 Roadster V8 turns into a full rebuild. The shop gets pushed to the limit on this car.

As fall approaches, visitors arrive. Heimo and Edna welcome youngest daughter, Krinn, and new baby grandson, Colby. Bob finds an unwanted guest at his cabin.

Parker pushes Mitch to deliver Sulphur Creek gold and records a big score. Buzz lands on an unlikely claim, and Tony's pressure tests a new foreman.

Parker looks for the weakest link in the crew. Tony approaches Parker to make a deal and raids his son's operation. Rick fires up on Lightning Creek.

Henry and Fuzz sail over to the Isle of Wight. They meet Vince, a fanatical collector whose sheds are bursting with British and Japanese bikes.

Henry and Fuzz are overwhelmed by Nick from Brackley's military collection. They leave with a vintage rarity, but will they find a buyer for something so unique?

French polisher Alex is tasked with restoring a huge clock. Ruth revamps a pair of golden candlesticks, and Cliff works on a century-old vessel.

Metal worker Ted is challenged to repurpose a rusty railway signal light. Alex restores a headless carousel animal, while Craig fixes up a lounge chair.

Mike finds a 2002 Chevy Corvette Z06 that can do zero to sixty in under four seconds. Ant is less than enthused when he realizes the scale of the work needed.

Mike tracks down a rare '91 Alfa Romeo 164L. He loves the look, but Ant has his work cut out for him. The car has perfect bodywork, but it has a leaking engine.

Rick, Parker and Kevin Beets face off in the first-ever rookie mine boss showdown to determine who is the top first-year miner.

As Father's Day weekend approaches, a rogue storm in the Texas Panhandle ignites a monster outbreak, unleashing over 80 tornadoes across 14 states.

Darrin leads a water pipeline build. Adam squares off with a deadly viper. Jarrell's fire blazes out of control. A survivalist is medically evacuated.