Toy Story (Original Version)

The original version of Toy Story was written by John Lasseter, Andrew Stanton, and Pete Docter.

Plot
The plot is different from the original film. According to Pixar, Woody was supposed to be the main villain abusing the other toys, including the newly-arrived Buzz Lightyear, until they rallied against him for disposing Buzz, similar to the infamous Black Friday reel,

Why It Was Cancelled

 * 1) Pixar didn't like the script.
 * 2) The version that was made at the time would not be appropriate for minors.
 * 3) Pixar considered it dark.

Results

 * The original version was permanently cancelled.
 * A video of the Black Friday Reel was uploaded, and many fans were shocked at the portrayal of Woody in it.
 * Disney and Pixar released the current version.