This is Robert Rodriguez's half of Grindhouse.
In the scene where Earl McGraw (Michael Parks) feeds his invalid wife, there's a framed photo of Parks on a motorcycle from 'Then Came Bronson'.
The shot of Abby stepping on the testicle with his boot mirrors a shot from the opening montage of 'Beyond the Valley of the Dolls', where an egg is crushed by a boot.
The dancing/humilation scene directly references 'Cry of the Banshee', including the line "Dance, bitch!".
Rapist #1 watches the trailer for "Women In Cages" on a televison at the millitary base.
El Wray calls his wrecker "the Killdozer".
Compiled along with Torso by QT and RR as an example to show the actors a grindhouse format double feature; also, the scene in which Rapist #1 has a wooden stake pushed through his eyeball is taken from Zombi 2.
"Black Flight", the name of the Special Forces unit Snake Plissken served in, is featured on the back of a humvee'.
The transformation of the infected Rapist #1 is a reference to this movie
Cherry's final role parallels Sarah Connor, mother and leader of the human resistance. Also, Michael Biehn (Reese) appears.
Both films feature doctors named Doctor Block/Bloch (pronounced the same), and the female Dr. Block appears to have been made up to look exactly like Barbara Crampton in From Beyond. Also, her son's line about "I'm going to eat your brain and gain your knowledge" is a reference to a major plot point in From Beyond.
Brief shootout between Wray and zombie soldier "behind the barricades"
El Wray spins a gun in his hand and pulls the trigger with his pinky. Billy the Kid does the same thing in Young Guns.
Line: "I bet you thought that was pretty funny?", also said by the character played by Tarantino.
Wray buys a pack of Red Apple cigarettes from J.T.'s .
In the 'trailer' for Machete, the character Machete climbs on top of a car and throws knives into it through the sunroof. This also happens in Desperado, and both characters are played by Danny Trejo.
Earl McGraw is featured here, revealed to be Dr. Bloch's father.
Deputy Tolo (Tom Savini) diligently looking for his missing finger.
On Dr. Dakota Block's Desk in the Hospital lies a To-Do List with the Note to "Kill Bill"
Mentions Jungle Julia will be missed because she was killed in a car accident
Poster of the movie was shown.
Mentioned by a character trying to guess a movie title in a game of Charades.
Leila guesses it during her game.
Movie poster on wall.
Toe eats a cereal called Great White Bites, this cereal was also featured in Planet Terror (also another film directed by Robert Rodriguez)
The "Texas Barbeque Recipe" is a running theme in Planet Terror.
Slack calls the zombies "sickos," which confuses Engine.
Both feature characters who have a lost a leg and have it replaced with a gun
Footage of this movie is shown.
Ghastly sex scenes
One of the bounty hunters looking to replace Ned is a woman with a machine gun for a leg.