Great Chase is a steel roller coaster at Six Flags America in Prince George's County, Maryland. This is a junior coaster that replaced the previous junior coaster, the Cannonball that ran from 1993 to 1998.The coaster is placed towards the back of the Looney Tunes Movie Town section of the park, and the ride is themed to a chase in the desert between the Wile E. Coyote and Road Runner.