Plot: Quagmire meets an avid dog lover, and pretends Brian is his dog in an attempt to win her over. Meanwhile, Chris helps Stewie track down the culprit who stole his Halloween candy
Cast
Seth MacFarlanePeter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire / Tom Tucker (voice)Seth MacFarlane was 47 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Fri, Oct 26 1973
Alex BorsteinLois Griffin / Tricia Takanawa / Loretta Brown / Barbara Pewterschmidt (voice)Alex Borstein was 50 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Mon, Feb 15 1971
Mila KunisMeg Griffin (voice)Mila Kunis was 38 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Sun, Aug 14 1983
Seth GreenChris Griffin (voice)Seth Green was 47 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Fri, Feb 08 1974
Patrick WarburtonJoe Swanson (voice)Patrick Warburton was 56 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Sat, Nov 14 1964
Arif ZahirCleveland Brown (voice)Arif Zahir was 27 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Fri, Apr 15 1994
Mike HenryBruce the Performance Artist (voice)Mike Henry was 55 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Sun, Nov 07 1965
Ava AcresTrick-or-Treater (voice)Ava Acres was 16 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Fri, May 13 2005
Issac Ryan BrownTrick-or-Treater (voice)Issac Ryan Brown was 16 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Tue, Jul 12 2005
Luke LoweTrick-or-Treater (voice)Luke Lowe was 12 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Mon, Dec 29 2008
Rachael MacFarlaneCarrie (voice)Rachael MacFarlane was 45 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Sun, Mar 21 1976
Haley TjuCarrie's Niece (voice)Haley Tju was 20 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Thu, Feb 15 2001
Sam ElliottWild Wild West (voice)Sam Elliott was 77 in Family Guy - Season 20 - Must Love Dogs (Episode 3).
Birthday: Wed, Aug 09 1944
Mike Kim