It's The Great Muppet Caper vs. Oceans 11, one of the best mashups I've seen in some time. Filmmaker Kat Reilly nails the audio perfectly and of course Brad Pitt just had to be Fozzy Bear. (Link via Neatorama)
Previously on Popped Culture...
What Else Is In The Teaches Of Peaches? Huh? What?
All Movies Are Better With Muppets
It's Not Easy Being Green