Teenage Mutant Ninja Turtles IV: The Foot Walks Again

Teenage Mutant Ninja Turtles IV: The Foot Walks Again was a planned sequel to the early 1990's Teenage Mutant Ninja Turtles live-action films.

Plot
The script had a fifth turtle, Jack Kirby.

Why it was cancelled
1.The Very negative reception of Teenage Mutant Ninja Turtles III