Season 8|Episode 18
Family Guy - 1999 Meet the Quagmires 5-18 is rated/received certificates of: Canada:13+ (Quebec)
Meet the Quagmires
Pretty sure you're referring to Meet the Quagmires
Family Guy - 1999 Meet the Quagmires 5-18 was released on: USA: 20 May 2007 UK: 28 August 2007 Hungary: 27 May 2009
You Can Hear It In The Family Guy Episode Entitled Meet The Quagmires.
Whistle While Your Wife Works
There isn't an episode that features Peter and Glen in school together but you may be thinking about Season Five|Episode Eighteen Meet the Quagmires
Wrong show. Roger is on American Dad.Although he did make a cameo appearances in Meet the Quagmires & Bigfat
Fourth Season
Death Is A Bitch Death Lives Meet The Quagmires I take Thee quagmire perfect castway and many more
Season 7 episode 7