Directed by Pixar co-founder and Disney Animation creative kingpin John Lasseter, "Unidentified Flying Mater" is the fifth in a series of Cars shorts. Mater tells a tall tale about the time he met a UFO and saved him from a group of government scientists in this Cars Toon. Mater finds a small UFO called Mator and they have a night out. When Mator is captured by the military forces, Mater saves him with the help of Lightning McQueen and Mator's mother.