Mark examines differences between older and newer models of the Dodge Challenger in the second-season premiere.

Mark and his crew fall behind on the '71 Charger project.

The '71 Charger is taken for a test-drive.

The Challenger receives a coat of paint; Josh stumbles across a surprise.

The guys add new equipment to the shop.

Mark becomes concerned about the lack of research being done by his crew during restorations.

Josh takes a part-time job, which upsets Mark.

The Barracuda returns from the sandblaster.

The guys repair the Barracuda's fender.

A surprise birthday party is planned for Mark.

Daren is left in charge of the shop.

Daren threatens to quit.

The '70 Hemi Charger is taken apart; the 1970 Sunroof Challenger is completed; Mark reveals his secret project to the team; Royal creates a video tribute.

The team builds out the 440 Super Commando engine for the 1970 Plymouth Superbird; the suspension is installed in the 1969 Dodge Charger Daytona; Mark's foolishness irks Daren.

The team gets a large sheet-metal order for their '70 Plymouth Superbird; owners of a '72 Charger reveal what made their vehicle so special; Daren receives an offer for his '70 Challenger R/T.

Part 1 of 2. The crew rush to complete work on a 1969 Daytona Charger.

Conclusion. The crew rush to complete work on a 1969 Daytona Charger.

A 1970 Dodge Charger engine is restored in the Season 4 premiere.

Josh and Mark order parts for a rare '70 Hemi Charger while Daren and Royal disassemble the convertible top for a '70 383 Barracuda. Deadlines are approaching and the ghouls QC the next four cars to be finished, even if there isn't room.

The Graveyard Ghouls return with the final assembly of the legendary General Lee which so happens to also be the official screen-used, record holding, freeway jump-car from the 2005 Dukes of Hazzard film.

The ghouls begin the restoration of the Top Banana 1972 Dodge Charger Rallye. Daren gets suspicious of the monthly budget and Mark finds an all original, numbers matching, Hemi Dodge Challenger.

Follow Mark all day and see everything from managing the shop, to ordering parts, and validating a 1969 and half M Code 440 6 Barrel 4 Speed A12 Road Runner.

With the owners just days away, Mark and Ghouls take charge and begin the final assembly for the Top Banana 1972 Dodge Charger Rallye.

Watch as the Mark and the ghouls showcase every step to bring the Top Banana 1972 Dodge Charger Rallye back from the dead. It leads to one of the most emotional car reveals yet.

No time for rest, Mark and Ghouls have a month to complete the 1970 Plymouth Superbird, one of only 1920 made. Marks accidently lets slip a secret that sends Daren over the edge.