- Seth MacFarlane (Peter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire (voice))
- Alex Borstein (Lois Griffin / Tricia Takanawa / Loretta Brown / Barbara Pewterschmidt (voice))
- Mila Kunis (Meg Griffin (voice))
- Seth Green (Chris Griffin (voice))
- Patrick Warburton (Joe Swanson (voice))
- Arif Zahir (Cleveland Brown (voice))
Family Guy — S7E13
Episode: Stew-Roids
Air Date: 2009-04-26
Runtime: 22 min
Overview
Stewie starts going to the gym with Peter after he gets beaten up by Joe's baby daughter Susie, but just when it seems that his hard work is paying off, Peter reveals that he's been giving him anabolic steroid. Meanwhile, Chris begins dating a popular girl at school, only to see her popularity subside.