At the end of the episode, when Stewie is thinking of a birthday wish - one of Hitler's angry speeches plays in his head. After a lot of complaints it was changed for re-runs to just be bombs exploding.
Brian chases the chuck wagon from the commercials for Chuck Wagon dog food.
First appearance of Bruce the performance artist. Here he is seen working as a horror/novelty shop clerk.
Stewie's full name is Stewart Gilligan Griffin.
The Heaven's Helpers cult is a reference to The Peoples Temple cult which committed mass suicide in 1978 with potassium cyanide-laced Flavor Aid. Heaven's Helpers also has connection to the Heaven's Gate cult, who also committed mass suicide in 1997. Many members of the cult submitted to voluntary castration.