Season 1

E1. I Am a Terrible Spy

Nov 18, 2021 · 23m

Harriet's ambition to know and see everything may change reclusive Agatha K. Plumber's life for the better.

E2. Coat Vote

Nov 18, 2021 · 23m

Harriet's new coat is perfect for her—and Marion Hawthorne, apparently. But who will win the school's vote?

E3. Cross My Heart and Hope Not to Dance

Nov 18, 2021 · 23m

Janie and Harriet vow never to go to dancing school, but Harriet doesn't know that Janie actually likes dancing.

E4. Hermit the Spy

Nov 18, 2021 · 23m

After an awful day, Harriet wants some alone time. Watching Mr. Withers' 26 cats is just what she needs...or is it?

E5. The Origin of M

Nov 18, 2021 · 23m

Harriet learns about her middle initial and questions who she is. Her nanny, Ole Golly, teaches Harriet a valuable lesson about identity.

E6. Face the Music

May 19, 2022 · 23m

Janie and Harriet get to meet their favorite singer, only to discover a shocking truth about his music.

E7. The Rarest Bird

May 19, 2022 · 23m

Harriet really wants to win a photo competition, but it means teaming up with someone she doesn't see eye to eye with: her mom.

E8. The Stuffy Lovers

May 19, 2022 · 23m

Sport and Harriet think it's time to get rid of their beloved stuffies, but change their minds—and the narrative—thanks to Marion's sneaky reporting.

E9. Spy V. Spy

May 19, 2022 · 23m

Harriet adds the Garcia family to her spy route...and discovers that someone is spying on her.

E10. To My Future Self

May 19, 2022 · 24m

On her birthday, Ole Golly revisits a list of everything she wanted to do by the age of 35—and Harriet is determined to help her complete it.