SpongeBob As Told By (2020)

S5E18 A Lesson for Nell

Nell discovers that her Grandpa is seeing Sally Parsons, who used to be in a relationship with Officer Simpson. When Simpson learns about this, he reacts immaturely, while Nell feels deeply offended and confronts Sally, insisting she stay away from her Grandpa. Ultimately, Nell realizes that she should have respected her Grandpa’s privacy and not meddled in his personal affairs.