High Quality Content by WIKIPEDIA articles! "Lisa Gets an `A`" is the seventh episode of The Simpsons` tenth season. It first aired on the Fox network in the United States on November 22, 1998. In the episode, Lisa cheats on a test for which she fails to study and receives an A+++ grade, but becomes guilt-ridden and confesses. Meanwhile, Homer buys a lobster with the intention of fattening him up to eat. However, he becomes attached to it and decides to keep it as a pet named Pinchy.