Skate Jam

Skate Jam was a planned sequel to the 1996 movie Space Jam, starring the Looney Tunes characters with Tony Hawk guest starring.

Plot
Unknown.

Why It Was Cancelled

 * 1) Looney Tunes: Back in Action was made instead and was a box office bomb.
 * 2) There are currently plans for Space Jam 2.

Result

 * The movie was permanently cancelled