Pixar - Lifted

"Lifted" is a 2006 Pixar computer-animated short film directed by Gary Rydstrom. This is the first film directed by Rydstrom, a seven-time Academy Award winning sound editor and mixer.
The film was released theatrically with Pixar's Ratatouille (June 29, 2007). The short also received a sneak peek at The 42nd Chicago International Film Festival.[1]
It was the last Pixar short to be released a year before a feature film was released until "La Luna".