[4] The film takes place in the present alternate times of the year 2015, and the storyline is about Mike Goldwing, a 12-year-old surfer who embarks on a journey with his friends to disrupt a billionaire's plan to destroy the American flag planted on the Moon.

The American setting had polarizing reception while the animation, action scenes, voice acting, music score, and themes were generally praised.

Though released first in Spain, Capture the Flag was animated to the English voice cast first and dubbed into Spanish and Catalan in post-production.

His grandfather Frank lives his days estranged from the family after missing out on his big chance to fly to the Moon with the Apollo 11 mission.

The heads loved the idea and started greenlighting the project by crafting the script based on the elements with writer Jordi Gasull, who was also a great collector of space objects.

The Lightbox team visited NASA's space centers in Houston, and Cape Canaveral for documentation and visual references, with guidance from some members of the station.

In the space agency, they were surprised that they were dedicated to photographing "a piece of telephone or the ground", revealed the scriptwriter Jordi Gasull in the presentation of the film.

The biggest challenge for the riggers - those in charge of giving movement to the characters - was the design of Igor, the chameleon that accompanies the children on their adventure, along with the application of various mechanical gadgets in his backbox.

For Enrique Gato, the greatest difficulty laid in the animation of Frank, the grandfather who had a certain obsession with getting a character that had the acting characteristics of Clint Eastwood, even as a reference, that conveys incredible emotions without moving a muscle on his face.

Incredible) from The Incredibles and Boo from Monsters, Inc..[5] Other animated references put on the film included a black and white clip faking an outtake of the Apollo 11 arrival with a janitor impersonating a filmmaker as a parody to Stanley Kubrick, and another scene when Mike and Amy floating around eating candy through the rocket as a reference to The Simpsons 1994 episode Deep Space Homer.

However, Variety praised the film for being a solid piece of family entertainment, even though agreed that it doesn´t exactly have the same high standard as other blockbuster hits like Pixar or other Hollywood movies, considering it as a movie that "kids and adults can enjoy the space-race adventure in this entertaining Spanish-produced animated feature", even additionally praising Gato´s direction and the humoristic references.