Question: is pretty little liars the perfectionists a spin off?
Answer: "Pretty Little Liars" spin-off "The Perfectionists" premieres March 20. It's loosely based on books by Sara Shepard, who wrote the book series "Pretty Little Liars" and "The Lying Game." The show was created by "Pretty Little Liars" showrunner I. Marlene King and stars two characters from that series, Alison and Mona.