I just found this on the web

http://www.3dworldmag.com/2012/04/11/ps ... -campaign/" onclick="window.open(this.href);return false;
The spots required intricate effects that merged 2D and 3D media. 3D lead Kyle Cassidy says: “TVPaint was used to create a portion of the 2D hand-drawn elements that were layered over the CG elements.”
Too bad the making of doesn't really explain where TVPaint was used.