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18 Facts About The "Spy Kids" Movies That'll Make You Say, "Oh, Shiitake Mushrooms"

Sylvester Stallone signed on because his kids loved the franchise!

1. Director Robert Rodriguez recently revealed that he had to fight with the studio to allow the film to center on a Latino family.

The Cortez family in action

2. Alexa and Daryl knew each other way before Spy Kids — Alexa met Daryl when he was only 3.

Juni and Carmen finding out their parents are spies

3. And because they worked so closely together for a lot of their childhood, they genuinely had a sibling relationship.

Daryl and Alexa hugging on a red carpet.

4. Robert Rodriguez came up with the idea for the "Thumb Thumbs" when he was only 13 years old.

The Thumb Thumbs

5. Juni's full name — Juni Rocket Racer Rebel Cortez — is a tribute to Robert Rodriguez's children: Rocket, Racer, and Rebel.

Juni Cortez wearing his spy glasses

6. Daryl Sabara actually took ballet from ages 3 to 11, which is why he danced in Spy Kids 2.

Juni dancing ballet in Spy Kids 2.

7. Robert Rodriguez explained that a lot of the original Spy Kids script ended up making it into Spy Kids 2 instead.

Juni and Carmen in Spy Kids 2

8. Because Alexa and Daryl were so young, there was a "fun coordinator" hired for them — they would have silly string fights and water balloon fights on set.

Alexa Vega and Daryl Sabara on a red carpet

9. Antonio Banderas considered the films fun and a "way to have some quality time with my dear friend Robert Rodriguez," declaring Alexa and Daryl as the "true stars" of the franchise.

Gregorio and Ingrid Cortez captured in the first film

10. Gerti and Gary Giggles — aka Emily Osment and Matt O'Leary — are still in touch. Emily has even said that she'd "absolutely" do a Spy Kids reunion. (Fingers crossed!)

11. Jessica Alba inadvertently inspired Robert Rodriguez to make a fourth Spy Kids film while on the set of their film, Machete.

Jessica Alba in Spy Kids 4 holding a baby

12. Sylvester Stallone agreed to play The Toymaker in Spy Kids 3-D: Game Over because his kids were huge fans of the franchise.

Sylvester Stallone as Toymaker with three other versions of himself

13. And Alexa Vega was adorably nervous that she would accidentally sing the Rocky theme song around him.

14. Selena Gomez's first role was in Spy Kids 3-D as Waterpark Girl.

Young Selena gomez and Juni Cortez in a scene in Spy Kids: Game Over

15. Demi Lovato read for a role in Spy Kids 3-D, and while she didn't land it, director Robert Rodriguez remembered it so well that he wrote her a part on the TV show From Dusk Till Dawn.

Demi Lovato on From Dusk Till Dawn

16. Also, Brie Larson recently revealed she auditioned for Spy Kids, but didn't book it.

Brie Larson vlogging

17. Alexa's son, Ocean, is now old enough to watch Spy Kids — but, according to Alexa, he prefers The Adventures of Sharkboy and Lavagirl.

18. Finally, both Alexa and Daryl kept trinkets from the sets that they still display in their homes after all these years — Daryl has one of his outfits framed, and Alexa kept one of hers as well.

Image from an Instagram Live between Meghan Trainor, Daryl Sabara, and Alexa PenaVega where Daryl shows his framed costume.

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