I was looking around tvtome and noticed that in 8th season's "Fights and Stuff" at one point he says "I'm fixing dinner." and roseanne says "oh but honey, you just fixed dinner 11 years ago!" Thats an awesome reference to the very 1st ep "Life and Stuff" where they are arguing about him helping around the house and he says "FINE, I"M FIXING DINNER!!" and roseanne says "oh but honey, you just fixed dinner 3 years ago." since the 9th season ep was nine years later that was a cool reference and accurate.

Another thing I noticed is that in the 1st season Halloween ep, Roseanne was the Wicked Witch of the Midwest, in the 8th season, Jackie was