4th season, the April Fool's episode and the episode where Hutch and Filbert have their babies. http://www.watchtvsitcoms.com/rockosmodernlife.php has streaming video of all 4 seasons.
I wish we had possums! We have raccoons and deer that wander up, I'm sure, we live a stone's throw away from the lake, but I never see them except when we're driving. It's so cool living so close to wildlife!
