The title Love Blactually is a take off of the 2003 British romantic comedy/drama title Love Actually starring Colin Firth, Keira Knightley, Emma Thompson & Liam Neeson
Brian dresses as Snoopy, Charlie Brown's canine companion. He even does Snoopy's dance and hangs out w/ Snoopy's bird friend Woodstock.
Peter: I guess it's not true what they say, you can punch Snoopy in the stomach as hard as you can and he won't feel it.
Brian: That's Houdini!
Harry Houdini was a famous magician/escape artist in the early 1900's. One of his tricks was he was able to be hit in the stomach with no consequences.
However, He died in 1926 of peritonitis secondary to a ruptured appendix after Gordon Whitehead unexpectedly punched him several times in the stomach.
Quagmire dresses as the main character and titled 2004 movie 'Napoleon Dynamite' complete with the 'Vote for Pedro' t-shirt.
Peter/Lois/Glen: "Laura Bush killed a guy"
On November 6, 1963, 17-year-old Laura Welch was driving her Chevrolet sedan near Midland, Texas. Around 8 p.m., on a clear, cloudless night, Welch approached a country intersection, ignored the stop sign, and plowed into a Corviar sedan, killing its driver, 17-year-old Michael Douglas.
Cleveland is dressed as the silent film star's character The Little Tramp
Joe is dressed as 7 time Olympic gold medal winning swimmer Mark Spitz despite Peter, Cleveland and Glen's guesses of FDR, Stephen Hawking & crippled Magnum P.I.
Horton Hears A Who
'Horton Hears Domestic Violence in the Next Apartment & Doesn't Call 911' is a take off on the famous Dr. Suess book 'Horton Hears A Who'
'The God Delusion' by Richard Dawkins
A 2006 best selling book. Dawkins contends that a supernatural creator almost certainly does not exist and that belief in a personal god qualifies as a delusion, which he defines as a persistent false belief held in the face of strong contradictory evidence.
Cleveland: "Boom goes the dynamite."
A catchphrase that Brian Collins, a freshman at Ball State University in Muncie, Ind. coined during a horrific commentary of a basketball game and became an internet sensation.
Peter: "Yeah Cleveland, she's way more fun than that wife you used to have. What was her name? Weezie or Florida or something? Jennifer Hudson?"
Weezie was the pet name George Jefferson called his wife Louise in the 70's-80's sit com 'The Jeffersons'.
Florida was Florida Evans, the wife from the 70's sit com 'Good Times'.
Jennifer Hudson was an American Idol contestant who (somehow) won an Oscar for her performance in the 2006 movie 'Dreamgirls'.
Cyrano de Bergerac & Mel Gibson
Cyrano de Bergerac helps Christian woo Roxane but instead of romantic poetry de Bergerac recites the words Mel Gibson spoke during his 2006 drunk driving arrest.
Glen: "Apache Penis Inyuk-chuk"
"Inyuk-chuk" were the words spoken by the character Apache Chief from the various 'Super Friends' cartoons from the 70's. He spoke them in order to grow into a giant.
Cleveland: Why are you naked?
Glen: Naked?! Why everyone's been telling me I've been wearing magnificent robes made from the finest silk
Glen's statement is the story of 'The Emperor's New Clothes'
When Brian lies to Peter and Lois about Loretta being beautiful, his nose begins to lengthen. This was first used in the 1940 movie Pinocchio. The scene, along with Brian's words, is also a direct reference to Doctor Rumack, played by Leslie Nielsen, in the 1980 movie Airplane! The words that he chooses about Loretta are also taken from the latter film. His final words, "...free to pursue a life of religious fulfillment," is a direct quote from Nielsen's character.