(CNN Spanish) -- Harry Potter has been more than 20 years since the release of the first film in the saga, "Harry Potter and the Sorcerer's Stone", in theaters in the United States. Do you think you are a real potterhead? Find out in this test.

Image sources: Getty Images / Warner Bros.

1 of 5 | "Harry Potter and the Sorcerer's Stone" was released in 2001, four years after J.K. Rowling published the book on which the film is based. Here, Daniel Radcliffe, the protagonist. (Credit: Anthony Harvey/Getty Images - Noam Galai/Getty Images for SiriusXM)

2 of 5 | In this picture, Emma Watson can be seen attending the film's premiere in 2001 (left) and at the Earthsot Environmental Awards this 2021 (Credit: Joe Maher/Getty Images - George De Sota/Getty Images)

3 of 5 | This was the evolution of Rupert Grint, who played Harry Potter's best friend, Ron Weasley, over the years. (Credit: Anthony Harvey/Getty Images - Michael Loccisano/Getty Images)

4 of 5 | Tom Felton, the man in charge of playing Draco Malfoy, has also been followed by the cameras in recent years. (Credit: Anthony Harvey/Getty Images - Cliff Hawkins/Getty Images)

5 of 5 | For many people, one of the biggest changes was that of Matthew Lewis, in charge of giving life to Neville Longbottom. Here, photos of him in 2005 and 2016. (Credit: Peter Kramer/Getty Images - Gerardo Mora/Getty Images)

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