Season 20

The first 'Three Amigos' build comes to a close, a 1970 tribute Barracuda.

Mark explores different types of car collision and secondary damage.

Mark and Tony solve a Mopar mystery. Doug's nasty 440 engine returns.

Dougie and Allysa begin installing a 440 6-pack in a 1970 Road Runner.

Mark airs the entire "Mopar by Death" animated series in one episode!

Mark is ready to put a newly restored electroluminescent dash to the test.

Mike and Aaron feature two convertibles, a 1967 GTX and a 1969 Road Runner.

Mark and Aaron present two start-to-finish restorations of one-of-a-kind carz, the record setting General Lee freeway jump car from the 2005 Dukes of Hazzard film.

Mark fulfills a lifelong dream for a special family when he recreates a 50-year, long-lost friend, an A4 Buff Silver 1969 Road Runner convertible with a modern 392 Hemi drivetrain.

Delivering two start-to-finish carz in one episode, Mark shares the complete restoration of a rare 1972 Dodge Charger Rallye, still owned by the original family, while Aaron sets the stage for a fast-paced, dream-car build that leaves the owners in tears.

A 1973 Challenger is modified to resemble a much more desirable 1971.

The season finale shows the completion of a once boring '73 Challenger that's been transformed.