Mater the Greater

Mater the Greater is a 2008 Pixar computer animated short film directed by John Lasseter and codirected by Rob Gibbs and Victor Navone. It is the second short in the Cars Toons Maters Tall Tales series. The short features characters from the Cars films and takes place after the events of Cars. It was first released on Toon Disney on October 28, 2008, and was included in the home release of the Cars Toons Maters Tall Tales compilation.

On November 6, 2010, Mater the Greater was released on DVD and BluRay as part of the Cars Toons Maters Tall Tales compilation disc set.

Source: Wikipedia