Best Friends Forever/Trivia

Trivia

 * This is the second time in which Kenny's death is mark-upon as being important. The first time was in "Kenny Dies".
 * Kenny gets a Sony PSP in this episode. Prior to him being poor. This could be that he won the lawsuit in Cartmanland or this could be a joke.
 * George Bush appears in this episode. Others being "Cartoon Wars", "The Snuke", and "Mystery Of The Urinal Deuce".
 * Satan temporarily goes back to his evil ways when he invades Heaven with his army.

Cultural references

 * HBC's world news show looks like the BBC's world news
 * Also, the logo of HBC look's a lot like the logo of ABC
 * After Satan is defeated, he turns on his adviser, who resembles (especially given the other references in this episode)Gríma Wormtongue from The Lord of the Rings but wears a black cloak more in keeping with Darth Sidious from Star Wars. His appearance also arguably resembles the Devil's portrayal in the Mel Gibson directed film The Passion of The Christ. Satan refers to him by name as Kevin, and zaps him. The advisor could also be considered to be a parody of Desaad, Darkseid's advisor. (This character later appears again in Hell on Earth 2006.)
 * A Lord of the Rings reference in the episode includes the orb used by Satan, a reference to the palantír held by Saruman, the gates of Heaven being deliberately designed to look like Minas Tirith and Satan's minions are reminiscent of the Orcs and Uruk-hai from the movies. The council of the Angels is also a reference to The Lord of the Rings's Council of Elrond. Also, during his description of the battle, Archangel Michael comments that the battle is "ten times bigger" than the one in the Lord of the Rings movie, referring to the CGI battles in the film trilogy. The armies of Heaven and Hell are clearly modeled after those in the final battle in the series.
 * There are many references to Monty Python and the Holy Grail in the episode. When Kenny is at the gate of Heaven, a Pythonesque "Open the gate!" is heard - this is also said by King Arthur in the film. Moreover, Heaven's army celebrates winning the war by cheering in a manner not unlike the similar moment of "much rejoicing" in the film's animation segments of Terry Gilliam.
 * The references to Keanu Reeves throughout the episode are based on Reeves' regular appearances as savior type characters, upon whom the triumph of good over evil depends, in films like The Matrix,Constantine, and The Devil's Advocate. The greatest similarity to Keanu Reeves is in "Litte Buddha", when Keanu Reeves plays the role of Lord Buddha and alone beats all the entire evil army of Mara, the Buddhist Lord of Evil.
 * This is the second and final time Kenny is killed in this season. The first was in the episode that aired right before this, Wing.
 * While the catchphrase "Oh, my God! They killed Kenny! You bastards!" is not uttered in its entirety during the episode, it is referenced twice: Once during the protests, Kyle leads the protesters by yelling, "Don't kill Kenny!" with the crowd responding, "You Bastards!" After removing the feeding tube which leads to Kenny's final death (so far) and return to heaven, Archangel Michael happily observes, "Oh my God! They killed Kenny!"
 * Heaven recruiting its ultimate hero through a video game may be a reference to the film "The Last Starfighter," wherein a young man is chosen to defend an alien race based on his skills at an arcade game the aliens placed on earth to test humans. The concept of a boy who is brought to fight an epic battle in the guise of a game is, again, reminiscent of the novel "Ender's Game" by Orson Scott Card.
 * This episode aired just six days after the PlayStation Portable was released.

Kenny's Death
Kenny dies several times through this episode. First after being struck down by a car, he is killed. However, the doctors then save Kenny's body, although he is brain-dead. The feeding tube that keeps Kenny alive is then removed, killing him again.