It's heavy metal with Shane, Jason and Will as they mod a donor car to save a possibly one-of-one numbers-matching '70 GTX

The pushrods have arrived and Mark teams up with his cousin to finish his engine build.

Doug disassembles the 440 Magnum from a '70 Charger that was in a wildfire.

Cousin Dougie gets the spotlight as he walks us through the full assembly of a 440 engine that was scorched in a wildfire; Dougie attempts to build an engine on his own.

Dougie tackles an impossible engine, a numbers-matching 440 Magnum from a 1968 Dodge Coronet R/T, that's been rusting for decades.

The Ghoulz complete and deliver a 1970 Dodge Charger R/T in Jamaica Blue.

Will mistakenly tells a customer his drivetrain is installed.

Dougie helps Will by baking some valve covers in the kitchen.

Mark achieves all-new levels of Mopar nerdery when he scrutinizes a 1971 'Cuda with miraculously clean metal.

Achieving their 250th episode, Mark and Aaron reflect on 20 seasons of Graveyard Carz, unearthing the elements that have kept the show on the air for over a decade.

Mark and Dougie hit the road to check out a mysterious 1969 Road Runner.

Mark reveals what happened to the world's first production, Hellephant and its connection to an infamous Mopar movie car.

Bill Goldberg invades the Graveyard to strike a deal for a one-of-a-kind super car and he puts his daughter Allysa and his producer Aaron to the test with nothing more than a cell phone and his comedy.