Untitled Dexter's Laboratory film (theatrical)

Dexter's Laboratory was a planned theatrical follow-up movie to after Dexter's Laboratory: Ego Trip that was going to be written and directed by Genndy Taratakovsky,

Plot
The plot is currently unknown.

Why It Was Cancelled

 * 1) The cancellation reasons are unknown.
 * 2) The first film received mixed reviews despite the fact that the film was a box office success.
 * 3) Dexter's Laboratory ended on November 20, 2003

Result

 * It is currently unknown at the moment if the film will ever be released