Where you can find season 2
This season basically was when the long animations was it's formula, while with some shorts like Season 1. There is no real story arc other than YellowHead becoming a cyborg, and Bluhead and YellowHead's relationship deteriorating.
Season 2 Part 1:
YellowHead has to deal with being a cyborg, however, he has endless potential with his new powers, and saves the town from Elmo. However, by waking up on the wrong side of the bed, the world seems to deteriorate.
Season 2 Part 2: YellowHead has to deal with his deteriorating relationship with BluHead. Most of these episodes are stand alone parts, this part of the season shows no major arc.