The red convertible the Bundys are in is the same vehicle they won on the game show 'How Do I Love Thee' from ep. 'Just Married with Children' back in 1988.
Peg mentions she watched the premiere of "All Night Security Dude." This soon became the title of an episode later on this same season.
Marcy tells the Bundys that she was able to get her job as a bank manager back, by frugging on her boss' desks while wearing a slip. She had originally lost her managerial job and was demoted to "Drive Thru Teller" following the events of season 4's "976-SHOE".
Bud claims to finally be a senior. In season 1, he was 10 and even made comments to Kelly about catching up to her in school in a few years. His age only makes sense if he was 13 as that was his age when he started the show
Al rants about how he hates Labor Day. However, in the season 4 premiere, he does a Labor Day bbq to celebrate the working man