Partly Cloudy is a short feature animation featured with the movie UP.
To those who have not seen UP, here is a YouTube feature of Partly Cloudy:
http://www.youtube.com/watch?v=kLvr6Hcxw7s
Animated films now have taken a turn where the animation look real, thanks to software development. Even those films featuring clay animation also took a new look, making the transitions smooth unlike the clay animation features we used to watch as children.