In "Light Bulb," the teachers of Abbott Elementary try to come up with creative ways to teach their students about the importance of energy efficiency. Meanwhile, Janine (Quinta Brunson) tries to get her classroom in order, and Barbara (Sheryl Lee Ralph) deals with a surprise visit from her old flame.
Here's a brief summary:
"Abbott Elementary" is a mockumentary-style sitcom that follows a group of teachers and staff at a underfunded public school in Philadelphia. The show is created by and stars Quinta Brunson. abbott elementary s01e03 h265
The episode you're referring to, "S01E03" (Season 1, Episode 3), is likely titled "Light Bulb" (although I couldn't verify this). In "Light Bulb," the teachers of Abbott Elementary