Lois questions the very thing Joe asked about when talking about the Petercopter.
Stewie admits killing seven children.
This is another episode when Brian's book was mentioned.
Stewie's phone number is (401) 555-0183. 401 is the actual area code for the state of Rhode Island, where Family Guy is set.
"Afuera" is Spanish for "outside".
Lois mentions animal rights group PETA when Brian is speaking to the Griffins about animals rights. This segment also makes a jab at stereotypical non-rhotic New England accents, when Peter thinks Lois is talking about him when she says PETA. Peter and PETA sound the same if spoken with a New England accent.
Joe sleep-drags himself at night.
Peter and Lois are one of the people chasing Brian and trying to eat him, despite the fact that both of them love Brian very much.
The phone number for the lawyer in the Spanish commercial is 555-5555.
The radio program that Consuela is listening to is titled "Muchos Hornos", which in Spanish translates to "Many Ovens".
The father from the newspaper comic The Family Circus appears.
The aria the Italian opera singer sings at the end is "Largo al factotum" from Giaoccino Rossini's Il barbiere de Siviglia, known in English as The Barber of Seville.