Belly Dance: Mike and Frank are in for tricky negotiations in New Hampshire where a retro smoking toy catches Mike's eye. Can bundle-master Frank save the day? (S4, ep 23)
Knuckleheads: Mike and Frank visit an ex-racing driver with an amazing stash of motoring memorabilia. They also take a gamble on a rare collection of vintage pilot gear. (S4, ep 22)
When Horses Fly: Mike and Frank visit an old airport packed with roadside relics. Vintage pedal cars take their fancy, but they soon find their owner drives a hard bargain. (S4, ep 21)
Odd Fellas: Following a frustrating search through mounds of junk, Mike and Frank's luck takes a dramatic turn when they uncover a vintage guitar that could be worth a fortune. (S4, ep 20)
Picker Man Blues: Mike and Frank visit a decrepit building full of salvaged gems. With the roof caving in, they hatch a plan to ensure everyone wins before the place collapses. (S4, ep 19)
Frank's Dog Days: Under pressure to stock the new shop, Mike and Danielle treasure hunt in Virginia. Can they fill their van in the Old Dominion? (S4, ep 18)
The Elephant In The Room: Mike gambles big money on a huge elephant head at a taxidermist's in Maine. The guys also spy a bejewelled antique hotdog steamer. (S4, ep 17)
Pickin' Perry-Dise: Mike spots a rare retro motor in an Appalachian village museum in West Virginia and takes a fancy to a rather bizarre electronic peacock. (S4, ep 16)
Jurassic Pick: Mike and Frank discover a 65-million-year-old dinosaur bone. If it is real, it is priceless. Will curators of the Museum of Natural Science bring them good news? (S4, ep 15)
What Happens In Sturgis: Mike takes Danielle to see an auction aficionado with a yard full of rusty gold. They also discover a classic car with a fascinating Hollywood history. (S4, ep 14)