11-year-old Harriet the Spy is getting a TV series.

Apple TV+ will adapt Louise Fitzhugh’s 1964 children’s book Harriet the Spy into an animated kids series. The series marks the streamer’s latest development in original children’s programming.

Harriet the Spy follows the adventures of a curious child trying to learn anything and everything. Harriet follows an afternoon “spy routine” during which she observes the people around her and records these observations in her notebook. More than anything, Harriet wants to be a writer. In order to write, she has to know everything. But in order to know everything, she has to be a spy.

Harriet the Spy book

Beanie Feldstein will voice Harriet. Jane Lynch will voice her nanny, Ole Golly. And Lacey Chabert will once again channel her inner Mean Girl to play Marion Hawthorne, the queen bee at Harriet’s school.

The adaptation comes from The Adventures of Pete & Pete co-creator Will McRobb. Lisa Henson and Halle Stanford produce the series on behalf of The Jim Henson Company. Titmouse Animation will animate the series.

The Apple series will not be the first time the novel was adapted for the screen. Nickelodeon produced a Harriet the Spy feature film in 1996. The film starred Michelle Trachtenberg as Harriet and Rosie O’Donnell as Ole Golly.

Nickelodeon's Harriet the Spy movie poster (1996)

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Source: Variety