Problem Child: The Animated Series

Lois Patrice Pewterschmidt-Griffin is the main character from the animated television series Family Guy.

Lois is the mother of the Griffin family. She and her husband, Peter, have three children: Meg, Chris, and Stewie, along with the family dog, Brian. Lois is often portrayed as a stereotypical television mother and housewife, despite her admitting to being a recovering methamphetamine addict and a kleptomaniac.

Peter's Two Dads
Season 5, Episode 10 Airdate: February 11, 2007

Stewie's recollection of Lois hitting him features Lois with massively muscular arms to brute beating out of him.

Connie's Celica
Season 18, Episode 10 Airdate: January 5, 2020

Later at home, Peter finds himself the victim of the sexual desires of a prison-buffed Lois.

Mister Act
Season 20, Episode 11 Airdate: January 30, 2022

Peter buys Lois an exercise bike that she uses and gets extremely ripped throughout the episode