I got to work on this show as a rigging supervisor for Season 3 and worked on some character rigs, props and sets while leading a team of three for a large part of the season.

The episodes don't seem to be fully released yet, but you can find some of them on the official Disney sites/channels:
http://watchdisneyjunior.go.com/tsum-tsum-shorts
https://www.youtube.com/playlist?list=PLpSnlSGciSWPewHLHBq5HFLJBGhHrsKnJ