Timmy Failure: Mistakes Were Made (also known as Timmy Failure) is a 2020 American fantasy comedy film based on the book series of the same name by Stephan Pastis and produced by Walt Disney Pictures. It was released on Disney+ on February 7, 2020, specifically based directly on the first book of the same name. The film is directed by Tom McCarthy, produced by Alexander Dostal, McCarthy and Jim Whitaker from a screenplay written by McCarthy and Pastis and stars Winslow Fegley, Ophelia Lovibond, Craig Robinson and Wallace Shawn.

The film was removed from Disney+ on May 26, 2023.