| Episode | Title | Premiere |
|---|---|---|
| 10 | To My Future Self | May 19, 2022 |
| 09 | Spy V. Spy | May 19, 2022 |
| 08 | The Stuffy Lovers | May 19, 2022 |
| 07 | The Rarest Bird | May 19, 2022 |
| 06 | Face the Music | May 19, 2022 |
| 05 | The Origin of M | November 19, 2021 |
| 04 | Hermit the Spy | November 19, 2021 |
| 03 | Cross My Heart and Hope Not to Dance | November 19, 2021 |
| 02 | Coat Vote | November 19, 2021 |
| 01 | I Am a Terrible Spy | November 19, 2021 |
| Episode | Title | Premiere |
|---|---|---|
| 10 | Harriet the Writer | May 4, 2023 |
| 09 | I Am the Onion | May 4, 2023 |
| 08 | Everyone Hates Me | May 4, 2023 |
| 07 | The Age of Harriet | May 4, 2023 |
| 06 | The Walrus and the Carpenter | May 4, 2023 |
| 05 | Ole Golly in Love | May 4, 2023 |
| 04 | Lucky Penny | May 4, 2023 |
| 03 | World of Tomorrow | May 4, 2023 |
| 02 | It's My Party and I'll Spy If I Want To | May 4, 2023 |
| 01 | General Mouthwashington | May 4, 2023 |
