Seasons & Episodes
I Am a Terrible Spy
Harriet's ambition to know and see everything may change reclusive Agatha K. Plumber's life for the better.
Coat Vote
Harriet's new coat is perfect for her—and Marion Hawthorne, apparently. But who will win the school's vote?
Cross My Heart and Hope Not to Dance
Janie and Harriet vow never to go to dancing school, but Harriet doesn't know that Janie actually likes dancing.
Hermit the Spy
After an awful day, Harriet wants some alone time. Watching Mr. Withers' 26 cats is just what she needs...or is it?
The Origin of M
Harriet learns about her middle initial and questions who she is. Her nanny, Ole Golly, teaches Harriet a valuable lesso
Face the Music
Janie and Harriet get to meet their favorite singer, only to discover a shocking truth about his music.
The Rarest Bird
Harriet really wants to win a photo competition, but it means teaming up with someone she doesn't see eye to eye with: h
The Stuffy Lovers
Sport and Harriet think it's time to get rid of their beloved stuffies, but change their minds—and the narrative—tha
Spy V. Spy
Harriet adds the Garcia family to her spy route...and discovers that someone is spying on her.
To My Future Self
On her birthday, Ole Golly revisits a list of everything she wanted to do by the age of 35—and Harriet is determined t
General Mouthwashington
When Harriet loses her last—and favorite—baby tooth, she struggles with saying goodbye to her babyhood.
It's My Party and I'll Spy If I Want To
The Welsch family attends a neighborhood party where Harriet is determined to find out why the Robinsons are so boring.
World of Tomorrow
At the world's fair, Harriet meets a 14-year-old photographer who's unsure of his future—but shows Harriet how to cher
Lucky Penny
Sport joins Harriet for a local scavenger hunt. But when he brings his good-luck charm to improve their chances, Harriet
Ole Golly in Love
While Harriet's parents are out, she and Ole Golly join Mr. Waldenstein for a movie date. But can they get home before H
The Walrus and the Carpenter
When Ole Golly announces she and Mr. Waldenstein are getting married and moving to Montreal, Harriet tries to change her
The Age of Harriet
Harriet's dream of creating a post–Ole Golly life is shattered when her notebook falls into the hands of her nemesis:
Everyone Hates Me
The fallout from her private thoughts becoming public leaves Harriet fighting to repair her friendships—and for the re
I Am the Onion
With the notebook causing quite a stir, Harriet hopes a backyard trial of her peers will prove her innocence.
Harriet the Writer
After Harriet makes an unexpected discovery, she comes up with a plan to right her wrongs.
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