Every season of Pretty Little Liars ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Pretty Little Liars!

Based on the Pretty Little Liars series of young adult novels by Sara Shepard, the series follows the lives of four girls — Spencer, Hanna, Aria, and Emily — whose clique falls apart after the disappearance of their queen bee, Alison. One year later, they begin receiving messages from someone using the name "A" who threatens to expose their secrets — including long-hidden ones they thought only Alison knew.

The Best Seasons of Pretty Little Liars

Every season of Pretty Little Liars ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Pretty Little Liars!