Season 7, Episode 16 - "Lois Strikes Back"
19 March, 2006
When four popular high school girls play an evil prank on Reese by pretending he has a secret admirer and then dropping a pig off at his front door, Lois comes to his rescue. She plots her revenge on the four unsuspecting girls and wreaks havoc on their adolescent lives. Meanwhile, Hal realizes Lois is at a dangerous emotional place so he decides to get some distance and stumbles upon the idea for making his own pitching machine out of stuff in the garage.The girls punishment in order were: Kristen: Lois managed to steal her helmet, and put a form of adhesive in it so that when she took it off her hair,that she loved, was ruined, and had to have the janitor take her hair out with Hedgeclippers. Diane: Lois stole all of her dolls and stuffed animals, chopped of their heads, and put them in her locker. In the end she had to be wrapped in a blanket and taken to the nurse Heidi: Planted sex toys and condoms in her family room called her house and made her parents think that she and her boyfriend were planning an evening of tryst. She was punished by not being allowed to go to prom Paula: Lois and Reese steal Hal's pitching machine and substitute baseball's for ballons filled with paint. While she and her date are being attacked her date uses her as a sheild to save himself

