The BEST episodes of Harriet the Spy

Every episode of Harriet the Spy ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Harriet the Spy!

Outspoken and perpetually curious. That’s 11-year-old Harriet in a nutshell. But if she’s going to be Harriet M. Welsch, future writer, she’ll need to know everything. And to know everything means she’ll need to spy … on everyone.

Last Updated: 12/11/2025Network: Apple TVStatus: Ended

9.33

3 votes

#1 - The Walrus and the Carpenter

Season 2 - Episode 6 - Aired 5/5/2023

When Ole Golly announces she and Mr. Waldenstein are getting married and moving to Montreal, Harriet tries to change her mind.

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9.00

2 votes

#2 - Everyone Hates Me

Season 2 - Episode 8 - Aired 5/5/2023

The fallout from her private thoughts becoming public leaves Harriet fighting to repair her friendships—and for the return of her notebook.

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9.00

4 votes

#3 - I Am the Onion

Season 2 - Episode 9 - Aired 5/5/2023

With the notebook causing quite a stir, Harriet hopes a backyard trial of her peers will prove her innocence.

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9.00

3 votes

#4 - Harriet the Writer

Season 2 - Episode 10 - Aired 5/5/2023

After Harriet makes an unexpected discovery, she comes up with a plan to right her wrongs.

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8.75

4 votes

#5 - World of Tomorrow

Season 2 - Episode 3 - Aired 5/5/2023

At the world’s fair, Harriet meets a 14-year-old photographer who’s unsure of his future—but shows Harriet how to cherish today.

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8.38

8 votes

#6 - The Origin of M

Season 1 - Episode 5 - Aired 11/19/2021

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

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8.38

8 votes

#7 - Face the Music

Season 1 - Episode 6 - Aired 5/20/2022

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

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8.22

9 votes

#8 - Hermit the Spy

Season 1 - Episode 4 - Aired 11/19/2021

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

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8.13

8 votes

#9 - Coat Vote

Season 1 - Episode 2 - Aired 11/19/2021

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

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7.67

3 votes

#10 - Ole Golly in Love

Season 2 - Episode 5 - Aired 5/5/2023

While Harriet’s parents are out, she and Ole Golly join Mr. Waldenstein for a movie date. But can they get home before Harriet’s parents do?

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7.67

3 votes

#11 - It’s My Party and I’ll Spy If I Want To

Season 2 - Episode 2 - Aired 5/5/2023

The Welsch family attends a neighborhood party where Harriet is determined to find out why the Robinsons are so boring.

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7.60

10 votes

#12 - Cross My Heart and Hope Not to Dance

Season 1 - Episode 3 - Aired 11/19/2021

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

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7.50

2 votes

#13 - The Age of Harriet

Season 2 - Episode 7 - Aired 5/5/2023

Harriet’s dream of creating a post–Ole Golly life is shattered when her notebook falls into the hands of her nemesis: Marion.

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7.40

5 votes

#14 - To My Future Self

Season 1 - Episode 10 - Aired 5/20/2022

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.

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7.33

6 votes

#15 - The Rarest Bird

Season 1 - Episode 7 - Aired 5/20/2022

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.

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7.20

5 votes

#16 - The Stuffy Lovers

Season 1 - Episode 8 - Aired 5/20/2022

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.

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7.20

5 votes

#17 - Spy V. Spy

Season 1 - Episode 9 - Aired 5/20/2022

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

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7.18

11 votes

#18 - I Am a Terrible Spy

Season 1 - Episode 1 - Aired 11/19/2021

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

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7.00

2 votes

#19 - General Mouthwashington

Season 2 - Episode 1 - Aired 5/5/2023

When Harriet loses her last—and favorite—baby tooth, she struggles with saying goodbye to her babyhood.

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7.00

3 votes

#20 - Lucky Penny

Season 2 - Episode 4 - Aired 5/5/2023

Sport joins Harriet for a local scavenger hunt. But when he brings his good-luck charm to improve their chances, Harriet is skeptical.

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