Grandma says, upon entering the submarine, "we're going to need a bigger boat."
The case holding Gregorio's mustache emits the same golden glow as Marsellus Wallace's briefcase.
When they are getting ready for the presentation, Antonio Banderas is combing his son's hair back, just like he does in Four Rooms.
As Juni reaches for a necklace he says "one necklace to rule them all." During the outtakes featured in the end credits, Juni quotes Gollum's "My precious".
clearly visible poster in background
title seen at video store
Robert Rodriguez mentions this movie during interview
DVD seen in video store
Film Brain talks about the past two movies
Alexa Vega & Daryl Sabara were referred to as the original Spy Kids from the first three movies.
reviewed + footage used
Nikki's lunch box was a prop used in Spy Kids 2, which was directed by Robert Rodriguez, a close friend of Tarantino's.
numerous brief scenes from "Spy Kids 2" are shown throughout this movie.
detailing the rest of the series