Discovery Turbo

Paul persuades Drew to buy a Triumph TR4 and he pays homage to one of his automotive heroes. The boys reinstate a favourite stylish feature that unfortunately never made it to production.

Mike and Ant lift the curtain to reveal hilarious outtakes, behind-the-scenes moments and private insights from the season.

Small-town custom car fabricator Chad Hiltz takes on his first build under his new banner.

When a group of Canadian racers decide to come to OKC, the 405 takes big risks to show them that when it comes to street racing, America cannot be beat as they prepare to defend the USA.

Eric puts his team to the test when they are required to restore a speedy Chevrolet S-10. To claim the victory, they'll need to defeat a fast Mustang built by the 256 two years ago.

An owner-built '66 Mustang Pro Touring car takes on a brand-new Porsche 911 Turbo S driven by pro driver Randy Pobst in a road-racing battle.

Anthony Big Worm Smith and Artis Houston face off in a classic Southern California grudge race.

A Jensen Interceptor Mark III is the boys biggest rebuild yet. But when an estimate puts the bodywork at £25k, Paul wants to cut their losses and walk away.

Mike goes in search of what many fans consider to be the last truly great Porsche.

Fred and Dave decide to build a four-wheel-drive motorhome. Starting with a 1975 Winnebago Brave RV, they attempt to build a monster house on wheels capable of taking on any terrain.