When does Hot Wheels: AcceleRacers return?

A sequel to the 2003 film Hot Wheels: World Race, the series takes place two years after the World Race in California and puts Mattel's Hot Wheels toy cars in a ReBoot-like situation. The series aired on Cartoon Network in 2005: Ignition (January 8), The Speed of Silence (March 19), Breaking Point (June 25) and The Ultimate Race.