It's called 'No Meals on Wheels' (UK Season 7/US Season 5). Brian: Alright, so we roll the dice and then we both have to yell "Yahtzee" really loud.
Stewie: At the same time?
Brian: Yeah and you have to flap your wrists like this. (Flaps wrists flamboyantly)
Stewie: And you'll do it too?
Brian: Of course, that's how it's done.
Stewie: Okay.
Brian: Alright, ready?
Stewie: Okay, you going to do it with me?
Brian: Oh yeah. (Throws dice)
Stewie: (yelling and flapping wrists flamboyantly)Yahtzee!
Brian: Gay.
Stewie: You suck!
season 2, episode 3 "da boom" where they all service Y2k and head to the twinkie factory. stewie is a squid in that episode.
Season 8 | Episode 13: "Go Stewie Go"
Stew-Roids
The evil Stewie clone does it in The Hand That Rocks the Cradle
All of the "Road to" episodes are primarily Stewie and Brian centered episodes, also of the episode titled Brian and Stewie
Brian & Stewie's Emmy appearance & performance wasn't part of any Family Guy episode.
Season 6 Episode 5: Lois Kills Stewie
Season 7 episode 7
the 100 episode was stewie kills Lois now the next one is Lois kills stewie
Model Misbehavior
'The Courtship Of Stewie's Father.' It is on the season 5 DVD
This happens in Stewie Griffin: The Untold Story.Specifically it's the episode, Bango Was His Name-O
season 2, episode 3 "da boom" where they all service Y2k and head to the twinkie factory. stewie is a squid in that episode.
Season 8 | Episode 13: "Go Stewie Go"
The episode is "Stewie Kills Lois."
Stew-Roids
The evil Stewie clone does it in The Hand That Rocks the Cradle