Pretty Little Liars 1x20 Someone to Watch Over Me Season 1 Season 0 0 EpisodesSeason 1 22 EpisodesSeason 2 25 EpisodesSeason 3 24 EpisodesSeason 4 24 EpisodesSeason 5 26 EpisodesSeason 6 20 EpisodesSeason 7 20 Episodes 1x1 - Pilot 1x2 - The Jenna Thing 1x3 - To Kill a Mocking Girl 1x4 - Can You Hear Me Now 1x5 - Reality Bites Me 1x6 - There's No Place Like Homecoming 1x7 - The Homecoming Hangover 1x8 - Please Do Talk About Me When I'm Gone 1x9 - The Perfect Storm 1x10 - Keep Your Friends Close 1x11 - Moments Later 1x12 - Salt Meets Wound 1x13 - Know Your Frenemies 1x14 - Careful What U Wish 4 1x15 - If at First You Don't Succeed, Lie, Lie Again 1x16 - Je Suis une Amie 1x17 - The New Normal 1x18 - The Badass Seed 1x19 - A Person of Interest 1x20 - Someone to Watch Over Me 1x21 - Monsters in the End 1x22 - For Whom The Bell Tolls As the heat is turned up on the suspicions surrounding Spencer, the girls must come to the reality that they aren't the only ones hiding secrets in Rosewood. Spencer remembers something that happened the night of the murder.