Season 1

1. I Am a Terrible Spy

2021-11-18 · 23m

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

2. Coat Vote

2021-11-18 · 23m

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

3. Cross My Heart and Hope Not to Dance

2021-11-18 · 23m

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

4. Hermit the Spy

2021-11-18 · 23m

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

5. The Origin of M

2021-11-18 · 23m

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

6. Face the Music

2022-05-19 · 23m

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

7. The Rarest Bird

2022-05-19 · 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.

8. The Stuffy Lovers

2022-05-19 · 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.

9. Spy V. Spy

2022-05-19 · 23m

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

10. To My Future Self

2022-05-19 · 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.