Next Door Spy (Danish: Nabospionen)—also known as Agathe Christine: Next Door Spy—is a 2017 Danish traditionally animated detective film written and directed by Karla von Bengtson (in her feature directorial debut).

One day, she meets a mysterious boy, Vincent, in a local shop, leading her to devote her full time and energy to surveilling him.

[3] Critically, it received generally positive reviews in Denmark,[4] but foreign reception was mixed.

[3][5] Jacob Wendt Jensen, writing for Berlingske, gave the film five out of six stars, stating that the plot "is both exciting, charming and offers surprises," further adding "Next Door Spy can engage anyone who has the heart and their curiosity in the cinema.

"[4] Bobby LePire of Film Threat, who gave the film a more critical score of one out of ten, was particularly critical of Agathe Christine's mother, stating that her not trying to understand Agathe's detective hobby made her "one of the worst, most unsympathetic parents in any movie who does not actively abuse or neglect their offspring.