As Shawn and Gus walk in to see their "client," the polar bear, there are clearly only two stools, spaced fairly far apart. As they walk in, Shawn and Gus sit close together, almost shoulder to shoulder, with Macleod Sinclaire appearing on a previously unseen stool right next to them both.
When the Polar bear is in the backyard of Shawn's Dad's house, the bear has the "cold breath effect" while in Santa Barbara, California.