Speed Racer is a young and brilliant racing driver. When corruption in the racing leagues costs his brother his life, Speed must team up with the police and the mysterious Racer X to bring an end to the corruption and criminal activities.

Speed Racer: The Next Generation is an American animated television series based on the classic Japanese Speed Racer franchise, in which the internal events take place decades after those in the 1967 Japanese series. It is the fourth television adaptation of the franchise, and is executive produced by Lions Gate Entertainment, Larry Schwarz, and Ken Katsumoto. It is the first Nicktoon not to be based on an original property. Animation Collective produced the series, while the Flash character animation was handled by the now-defunct Collideascope Studios as their very last project. The last episode of Season 1 features the voice of NASCAR racer Jeff Gordon, who plays Turbo McCalister.This series was partly made to promote the live-action film, and the pilot movie premiered on Nicktoons Network on May 2, 2008, a week before the feature film adaptation was released in theatres. However, both projects were produced independently from one another and featured different generations of "Speed Racers", though both featured a Mach 6. Five three-part specials aired on Nickelodeon from March 14, 2009 to April 11, 2009.A second season began airing on March 24, 2011. The animation, layout, and 3D effects were outsourced to Toonz Entertainment in India for this season. After his death, Peter Fernandez's roles were replaced by Greg Abbey.

The first half shows the cast being interviewed in character and provides movie plot back story. The second half shows behind-the-scenes filming, including cast and crew interviews.

Fourteen-year-old Watts Davies is estranged from his dad, a former International Karting Federation (IKF) champion. Watts's resolve to race in the upcoming IKF Regional Championships rekindles their relationship as they pursue the dream together.

An ambitious young skier, determined to break all existing records, is contemptuous of the teamwork advocated by the US coach when they go to Europe for the Olympics.

Nick Freeman is a motorcycle racer who, following the death of his brother, inherits a revolutionary prototype motorcycle, and is determined to race it at the British Grand Prix at Silverstone.

Tensions run high when a crazed bomber rigs a Los Angeles bus with a device that will kill everyone on board if the vehicle's speed dips below fifty miles per hour.

Four high school friends maintain their ties but finds themselves in very different situations when they reach 21. Chu-won was a promising athlete but, drinking heavily and unable to get past an old flame, he ruins his prospects. Goo-rim became on idol singer, but a drug scandal has seen him fall on hard times. Seo-won, as a medical student at a top university, was faring best among them, until he is diagnosed with leukemia and falls for a teenage escort from their old high school. Meanwhile, Dae-sung is a sex addict with a penchant for mature women who dreams of making his own film.

Junior police constable Karl-Heinz has just been given a telling-off by his boss for allegedly botching a major operation against car thieves. Now he senses an opportunity to rehabilitate himself when a gang of high-flying highway speeders catch his eye during a traffic check. Karl-Heinz decides to go undercover with the gang and gets to know their colorful characters. He soon takes more pleasure in the illegal speeding than is good for his health and career.

In the new Tokyo, where every fetish has a face, burned-out war photographer Tatsumi Saiga is slumming in the tabloid wasteland. Sent to dig up dirt on the underground elite, he stumbles upon a depraved ritual below the city—and before the night ends, a single kiss from a young beauty named Kagura Tennouzu ignites a chain of events that could force the entire ruling class to their knees.