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6 Episodes 2018 - 2019
Episode 1
Sun, Oct 21, 2018
Leh Keen, Sam Smith and Parker Kligerman put the Ford Police Interceptor, Honda Civic Type R, Chrysler Pacifica Hybrid, Porsche 911 GT3 through the Proving Grounds obstacle course.

Episode 2
Sun, Oct 28, 2018
Leh Keen, Sam Smith and Parker Kligerman put the Polaris RZR, Ford Mustang GT, Jaguar XF Sportbreak, Corvette Z06 through the Proving Grounds obstacle course.

Episode 3
Sun, Nov 4, 2018
Leh Keen, Sam Smith and Parker Kligerman put the SDHQ Tundra, Subaru WRX, Cadillac CTS-V, Widebody Hellcat Challenger through the Proving Grounds obstacle course.

Episode 4
Sun, Nov 11, 2018
Leh Keen, Sam Smith and Parker Kligerman put the Skeeter Brush Truck, Buick Regal GS, Mazda Miata MX-5, Acura NSX through the Proving Grounds obstacle course.
Episode 5
Sun, Nov 18, 2018
Leh Keen, Sam Smith and Parker Kligerman put the Electric VW Baja Bug, Porsche Cayman GTS, Chevy Colorado ZR2, McLaren 720S through the Proving Grounds obstacle course.
Episode 6
Wed, May 22, 2019
Proving Grounds goes to the Indy 500. Leh Keen pilots the 1912 winner with race winner Tony Kanaan. Sam Smith drives Mario Andretti's pole-winning car. Parker Kligerman drives a Honda Civic Type R race car and Corvette Grand Sport.