It's called 'Extra Large Medium' (US season 8/UK season 9)
No Chris Left Behind
Technically there is no episode where Lois kills Stewie, Peter in fact kills Stewie.The episodes you are referring to are the 2 part episodes, 'Stewie Kills Lois' & 'Lois Kills Stewie'
Model Misbehavior
Sounds like you're referring to the sensational episode 'Road to the Multiverse', in which Brian and Stewie visit one of many universes where humans are pets and dogs are owners. They visit the Griffins and obviously Peter, Lois, Stewie, Meg and Chris are dogs and Brian is a human.
Stewie isn't making a "terrorist movie"... but you are thinking of "PTV" Episode 14 of the 4th season.
No Chris Left Behind
syrup o Epicac
"Baby Not On Board". Stewie is left at home when the Griffins go traveling and he looks in Chris's room and finds the Hustler Magazine.
That would be Stewie Griffin: The Untold Story
Technically there is no episode where Lois kills Stewie, Peter in fact kills Stewie.The episodes you are referring to are the 2 part episodes, 'Stewie Kills Lois' & 'Lois Kills Stewie'
Stewie Loves Lois
Season 6 Episode 5: Lois Kills Stewie
Model Misbehavior
Brian tell Stewie the truth when they are stuck in the bank vault in the episode Brian & Stewie
Peter and Chris use American Sign Language in the "Stewie, Chris & Brian's Excellent Adventure" episode of Family Guy. They learn ASL to communicate secretly when they travel to the future together.
When Stewie goes into the future with his older self, Stu, Chris' wife is called Vanessa. This is in the third and last part of Stewie Griffin: The Untold Story and it's entitled 'Stu and Stewie's Excellent Adventure'.
the 100 episode was stewie kills Lois now the next one is Lois kills stewie