6. Happy Holo-ween

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)

Jeff Bergman

Fred Flintstone (voice)

Sam Elliott

Wild Wild West (voice)

Peter Macon

Preston Lloyd (voice)

Rachael MacFarlane

Mom Group Leader (voice)

Kevin Michael Richardson

FBI Agent (voice)