The show Pretty Little Liars: The Perfectionists lasted only one season, so what happened? When the original Pretty Little Liars ended after seven seasons, Freeform announced the spin-off, leaving PLL fans hopeful that The Perfectionists would help fill the void. However, Freeform abruptly canceled the series after just ten episodes, angering fans in the process and making many wonder what led to the cancellation when the reviews of The Perfectionists were generally good.
https://screenrant.com/pretty-little-liars-perfectionists-canceled-reason-reviews/