No one person directs a whole season. Each episode has its own director.
Lethal Weapons in what I believe to be the second season.
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.
Season 4
Season 4
Season 5
Fourth Season