Centered around flashbacks, was designed to reacquaint viewers (and bring up to speed new viewers) to the show after a two-month hiatus and a time and day programming change. This is a common tactic for a struggling show that is moved in an effort to find it's audience. Had nothing to do with production "catching up"; it was a "reset"
It is mentioned that Jennifer is getting paid $24,000/year in 1978. Adjusted for inflation, that would be slightly over $107,000/year in 2022.
First episode with a cold opening.
This was Carol Bruce's first appearance as Lilian "Mama" Carlson. Sylvia Sidney played her in the pilot, and Bruce took over the role with this appearance.
First mention of Red Wigglers and their jingle: "Red Wigglers, the Cadillac of worms. We're hooked."