Young spy Harriet Welsch crosses paths with popular student Marion Hawthorne as the two girls vie to become the official blogger of their high school class.
Unfortunately the movie Harriet the Spy: Blog Wars is not yet available on HBO Max.
| Writing | Heather Conkie | Screenplay |
| Directing | Ron Oliver | Director |
| Writing | Alexandra Clarke | Screenplay |
| Production | Stephanie Gorin | Casting |
| Directing | Patricia Joyes | Script Supervisor |
| Production | Jonathan Hackett | Producer |
| Camera | Alwyn Kumst | Director of Photography |
| Crew | Arlene Halpenny-Heeley | Cast Driver |
| Editing | Ben Wilkinson | Editor |
| Sound | Trevor Yuile | Original Music Composer |
