It is judgement day at the Fintona car show for the two teams in the build-off challenge, and Carolyn Stewart has enlisted the help of Miss Northern Ireland for the voting. Also, the Petrolheads Challenge Cup reaches its thrilling climax.

The show which modifies cars for speed sees Carolyn Stewart finding out how to soup up a car for Championship Hot Rod racing. Meanwhile, time is running out for the two teams in the build-off challenge to transform a road car into a show car, and it is time for the fifth round of the Petrolheads Challenge Cup.

The show which modifies cars for speed sees Carolyn Stewart at a track skills day in Kirkistown, where she makes Northern Ireland racing history in a Reliant Robin. Meanwhile, the pressure is on for two teams as they struggle to turn a road car into a show car.

Modifying cars with a retro theme. Carolyn Stewart hitches a ride with custom VWs and American muscle cars. The build off boys feel the pace, and it's round three in the Petrolheads Challenge Cup.

Modifying cars with a sledgehammer. Carolyn Stewart presents brutal banger racing action from Nutts Corner, plus progress in the build-off challenge to turn a grubby road car into a gleaming show car. Round two in the Petrolheads Challenge Cup.

The pacey car series with Carolyn Stewart sees two teams compete in a build-off contest to customise a road car into a show car. Also, the Petrolheads Challenge Cup from Nutts Corner.