This episode has the most credited cast members of any in the series.
In the opening scene, which is stock footage used in multiple episodes, the street and the sidewalks are wet on an otherwise sunny day. Spraying down those surfaces was a lighting technique the production crew used to reduce the amount glare generated from natural sunlight.
Lumpy kids Beaver, the bunny, with an elbow poke to the ribs and the faux greeting, "What's up, doc?" He is repeating a phrase often heard from the cartoon character Bugs Bunny, who frequented Looney Tunes cartoons from the early 1930s onward. The Bugs Bunny Show (1960) started airing in 1960.