Question: when does pretty little liars the perfectionists come on?
Answer: On May 14, 2018, the network picked up the series for a 10-episode season. I. Marlene King wrote and Elizabeth Allen Rosenbaum directed the first two episodes, which are titled "Pilot" and "Sex, Lies and Alibis". On February 5, 2019, it was announced that the series would premiere on March 20, 2019.