Into Harmony's Way
When Peter and Quagmire discover that their singing voices create beautiful harmony together, they form a singing/songwriting team, in the vein of Simon and Garfunkel. However, tensions run high when fame gets to Peter's head.

Cast
Seth MacFarlanePeter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire (voice)
Alex BorsteinLois Griffin / Tricia Takanawa / Loretta Brown / Barbara Pewterschmidt (voice)
Mila KunisMeg Griffin (voice)
Seth GreenChris Griffin (voice)
Patrick WarburtonJoe Swanson (voice)
Arif ZahirCleveland Brown (voice)Family Guy on tvt

