Washington DC, March 15 -- Filmmaker Robert Rodriguez has revealed that his popular family action film 'Spy Kids' initially received a lukewarm response during test screenings, but ultimately succeeded because it broke conventional storytelling rules, according to People.

Speaking at the Texas Film Awards, Rodriguez reflected on the early reaction to the film, which premiered in 2001 and went on to become a beloved franchise.

"When we first test-screened it, it tested low," Rodriguez said, explaining that many parents were confused by the film's unusual structure, according to People.

According to the director, the early viewers found it strange that the story quickly shifted focus from the adult characters to the children.

"The paren...