The "Head-Crusher" skits are numbered #2 and #3 because the first Crusher skits (all counted as one whole skit) were in the 1988 Pilot.
Several regular phone numbers are on the Squash Ladder in the "Eradicator" sketch. The Kids weren't informed yet that in television you must only use 555-**** numbers.
This is the first appearance of Kathie without her counterpart Cathy. Kathie has a picture of Mississippi Gary on her cubicle wall, which stays there the entire series.
This is the first regular season episode. (Not including the pilot)
When Kevin first puts down the bowl of snacks, he gives it to the girl, and then she sets them down on the table on the corner. But just a few moments later Kevin goes to grab the bowl again, and it's back in the girl's arms.