Calvin's parents have a night out and call Rosalyn over to babysit Calvin. Calvin initially dreads having to deal with his arch-nemesis, but on finding out that she's hoping to use the evening to study for a big test the next day, decides that it's time for some revenge.
Tropes
- I Have Your Wife: Well, science notes, but the same basic idea. Calvin locks himself in the bathroom with them and threatens to flush them down the toilet unless Rosalyn does what he wants.
