In the scene where Brian and Stewie see Hot Meg, in the censored version Stewie says "If you saw Lois you would have to put your penis in a wheel chair." but in the uncensored version he says "If you saw Lois, your penis would shoot right off your body." See more
When Stewie and Brian are in the Doubleheads Universe, before leaving it, they are standing in the front with the door open. You can clearly see a picture of Chris in the back wall with just one head, when he should have two. See more
Oh, God, let's go, quick! Here comes an overweight cat with dollar signs for eyes and a hat that says "Social Security" pouring a bucket that says "Alternative Minimum Tax" over a sad Statue of Liberty holding a "Democracy" umbrella!