Casper II

Casper 2 is a planned sequel to the 1995 film Casper with the original cast returning. The film was co-written by Simon Wells. The film was going to have Bill Pullman and Christina Ricci reprising their roles respectively. According to Wikipedia, it was scheduled for a 1996 release.

Plot
The sequel shows Casper, the Ghostly Trio and the Harveys going on a new adventure into the outside world to meet new characters and face new villians.

Why It Was Cancelled

 * 1) Christina Ricci expressed no interest in returning.
 * 2) The direct-to-DVD Casper films distributed by Universal (eg. Casper's Haunted Christmas) sold poorly.

Results

 * Casper II was permanently cancelled.
 * Fox released a prequel titled Casper: A Spirited Beginning.
 * An animated TV series titled The Spooktacular New Adventures of Casper was made in 1996 by Universal and featured the original voice cast reprising their roles. However, Christina Ricci's character was voiced by Kath Soucie and Bill Pullman's character was voiced by Dan Castellaneta.