Season 1
10 episodes
24 min. per episode
Where to watch
Apple TV Plus
Subscription
An inquisitive girl navigates friendships and secrets, risking everything to uncover the truth and ignite her writing passion.
Trailer
Episodes
Harriet's ambition to know and see everything may change reclusive Agatha K. Plumber's life for the better.
Harriet's new coat is perfect for her--and Marion Hawthorne, apparently. But who will win the school's vote?
Janie and Harriet vow never to go to dancing school, but Harriet doesn't know that Janie actually likes dancing.
After an awful day, Harriet wants some alone time. Watching Mr. Withers' 26 cats is just what she needs...or is it?
Harriet learns about her middle initial and questions who she is. Her nanny, Ole Golly, teaches Harriet a valuable lesson about identity.
A curious 11-year-old who seeks to learn everything about anything in order to pursue her dreams of becoming a professional writer.