Malcolm in the Middle: What's up with the gerbil?

Always liked “Malcolm in the Middle”, but never had Sunday nights free to watch it. I’ve been watching it fairly steadily now that it’s in syndicated reruns. But somebody spoil me please, what’s with the gerbil (at least, I think it’s a gerbil) that is perpetually crawling around in the plastic globule? It’s always in a throwaway shot, crawling un-noticed in the background, and appears in the most unlikely places - one week it’s in the courtyard of Malcolm & Reese’s school, the next week it’s scurrying down the road in the Alaskan logging camp that Francis works at. It’s apparently a recurring gag that I simply don’t get. Can anyone explain it?

It’s a hamster. I haven’t seen the show in a while, but if I am not mistaken, he used to belong to Dewey, who set him “free” in a hamster ball.

http://www.tvtome.com/tvtome/servlet/GuidePageServlet/showid-248/epid-100653/

short version: It is Dewey’s turn to take care of the class hamster. The class bully is next. Rather than give the hamster back, he fills the hamster ball with food and sets it free.

Brian

Hmmm, wonder if we’ll see it in Whatever-istan where Reese will be at the start of the new season.

I’m pretty sure that was the hamster’s last appearance, rolling northward toward the camp just as Francis and his new wife were leaving to start anew at the ranch on the show’s following season.