Mater finds a small UFO called Mator and they have a night out. Later, when Mator is captured by military forces, Mater sneaks up and saves him with the help of Lightning McQueen and the UFO's mother.
Unfortunately the movie Unidentified Flying Mater is not yet available on HBO Max.
| Directing | John Lasseter | Director |
| Art | Kevin O'Brien | Storyboard Artist |
| Writing | John Lasseter | Writer |
| Writing | Rob Gibbs | Writer |
| Writing | Matthew Luhn | Writer |
| Writing | Scott Morse | Writer |
| Writing | Kevin O'Brien | Writer |
| Writing | Derek Thompson | Writer |
| Production | Kori Rae | Producer |
| Production | Kimberly Adams | Associate Producer |
| Sound | Mark Mothersbaugh | Music |
| Editing | Torbin Xan Bullock | Editor |
| Art | Anthony Christov | Production Design |
| Art | Paul Conrad | Art Designer |
| Art | Willy Hwang | Art Designer |
| Art | Catherine Kelly | Art Designer |
| Directing | Rob Gibbs | Co-Director |
