In this episode, the Simpson family copes with being at home after a caterpillar invasion forces a lockdown.
At the breakfast table, Maggie is going through a phase where she refuses to eat food without ranch dressing.
At the end of the school day, Skinner accidentally leaves his camera operating, which allows Bart to watch him.
Meanwhile, the family runs out of ranch dressing, and Marge tells Homer to ask Ned Flanders for more.
Lisa is melting the playset to build a wall for protection, but a caterpillar has entered her room.
Executive producer Matt Selman wanted to have a lockdown episode without having to acknowledge the COVID-19 pandemic.
[1] He chose the idea of a caterpillar infestation based on his childhood summers on the East Coast.
[2] The idea of Maggie refusing to eat food without ranch dressing was based on a child of one of the writers.
[3] A promotional clip featuring Cousin Peter was released two days before the episode aired.