Pinewood Derby is the 6th episode on this season of South Park. It was aired on April 15, 2009 in the US and 2 days later in the UK. In this episode, Randy conspires with Stan to cheat in the pinewood derby race and the alien life is discovered in this mix.

Meanwhile, an alien gangster in South Park has misplaced space cash he stole which alien police are hunting. The residents who discover it decide to keep it away. 2.78 million Households watched the original broadcast of the episode. It tainted the image of UK and Iceland relationship and other world leaders like Gordon Brown, Nicolas Sarkozy, Angela Merkel and Hu Jintao.