- 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 — S0E23
Episode: Family Guy COVID-19 Vaccine Awareness PSA
Air Date: 2021-09-21
Runtime: 4 min
Overview
Follows Peter Griffin at the doctor's office where he debates about getting the COVID-19 vaccine, but Stewie and Brian teleport inside his body and explain how vaccines work.