- 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 — S8E1
Episode: Road to the Multiverse
Air Date: 2009-09-27
Runtime: 22 min
Overview
With the help of an out-of-this-world remote control, Stewie and Brian travel through alternate universes, including a post-apocalyptic world and a parallel world run by dogs where humans are pets.