Todd's chief investor arrives unannounced, Team Turin is plagued by melted permafrost, and Parker and the Dakota boys go to war over a bridge.
Todd takes delivery of the Turbo Trommel, Dave's mine at Indian River could close, the Dakota boys run second-hand dirt and Parker sets a new goal.
Todd forces his crew and Dave's to merge, the Dakota Boys use their new equipment on the Glory Hole and Parker risks his life to get paydirt.
A truck driver hatches a novel way to escape his humdrum life: he ties helium-filled balloons to his deck chair and floats into the sky.
Todd comes up with a risky plan; a bad fall puts Fred out of the game, leaving Dustin to dig the Glory Hole; and Parker worries his season is over.
Todd doubles down with two claims. Dakota Fred's Glory Hole might contain millions in gold. Parker hires a new crew and sets his sights on new land.
Todd pushes the washplant nearly to the breaking point, Fred and Dustin battle to save a broken-down excavator, and Parker faces his worst nightmare.
Dave faces disaster, Todd is thousands of dollars in the hole, the Dakota boys face historic floods and Parker desperately needs to secure new ground.
Todd gets Dave's crew back in action, the Dakota boys hire new miners, Todd junks his old washplant and Parker sets an unprecedented goal.
Todd's chief investor demands to see 100 ounces of gold, Parker's crew goes into meltdown and Fred attempts to make a part for his vital excavator.
Everyone accompanies Zoltan to the opening of the new flagship Z-Store in New York City.
Teen Zoltan arrives in a time machine that Zoltan had built in the 1980's.
Chyna and the others try to sneak out to go to a karaoke competition.
Tensions arise when Chyna and Lexi both have crushes on Dixon, the chess prodigy ANT.
Chyna is elated to find out that Olive and Fletcher are now dating.
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