Nasrudin

Nasrudin was a planned animated movie based on an Arabian folklore. The film was to be developed by Richard Williams in the 1960s.

Plot
The plot is currently unknown.

Why It Was Cancelled

 * 1) Legal issues kept it from ever happening. The original author's sister (who translated the book) threatened to sue over ownership.

Result

 * The movie was rewritten to become The Thief and the Cobbler.