Recapping Season 1, Episode 10 of Pretty Little Liars: The Perfectionists. In the season finale, the actual premise of the show finally arrives. There’s a creepy Professor who has entrapped the Liars and the Perfectionists into participating in a mysterious psychological experiment. Everyone is pivoting to new plot-lines, Taylor went to a rehab spa to do a bonus scene for some Aladdin money, Mason is still actively diminishing good female characters… Why wasn’t this episode the Pilot? Fingers crossed for a season 2.