Season Four, Episode Twenty-Two.
Season 4
Sibling Rivalry
Family Guy - 1999 Sibling Rivalry 4-22 was released on: USA: 26 March 2006 Hungary: 13 April 2009
You can watch every episode an hour after it premieres at: www.watch-family-guy-online.com It's free and it always works. You can also watch any other Family Guy episode here.
After "Sibling Rivalry" he simply ran off.He makes an appearance as the final boss in the Family Guy video game.And made his final appearance in the episode "Big Bang Theory" when he is killed.
Meet the Quagmires is episode 18 of season 5 of Family Guy.
The sixth season.
A Very Special Family Guy Freakin' Christmas was in Season Three.Road to the North Pole was in Season Nine.
Season Seven
season 7
Season 6
Family Guy started airing in HD in its 9th Season.