Season 7, Episode 20: "Till DeAth Do Us PArt"
This one doesn't land on the list because of the huge A.D. reveal — we know how some viewers felt about it — but because it's the end of an era! Luckily, we are satisfied knowing what the future holds for the Liars.
Spencer's love life is still up in the air with Toby Cavanaugh (Keegan Allen), Hanna and Caleb Rivers (Tyler Blackburn) are married and expecting a baby, Aria marries her old teacher Mr. Fitz, and Emily and Alison are still in love with twins.
It's been a wild ride, to say the very least, and if there's one thing we know for sure, it's that there will never be a show like Pretty Little Liars.