Columns: No. in series | Title | Directed by | Written by | Original air date | U.S. viewers (in millions)
1 | "Pilot" | Lesli Linka Glatter | I. Marlene King | June8,2010 | 2.47 | 2 | "The Jenna Thing" | Liz Friedlander | I. Marlene King | June15,2010 | 2.48 | 3 | "To Kill a Mocking Girl" | Elodie Keene | Oliver Goldstick | June22,2010 | 2.74 | 4 | "Can You Hear Me Now?" | Norman Buckley | Joseph Dougherty | June29,2010 | 2.08 | 5 | "Reality Bites Me" | Wendey Stanzler | Bryan M. Holdman | July6,2010 | 2.62 | 6 | "There's No Place Like Homecoming" | Norman Buckley | Maya Goldsmith | July13,2010 | 2.69 | 7 | "The Homecoming Hangover" | Chris Grismer | Tamar Laddy | July20,2010 | 2.55 | 8 | "Please, Do Talk About Me When I'm Gone" | Arlene Sanford | Joseph Dougherty | July27,2010 | 2.52 | 9 | "The Perfect Storm" | Jamie Babbit | Oliver Goldstick | August3,2010 | 2.55 | 10 | "Keep Your Friends Close" | Ron Lagomarsino | I. Marlene King | August10,2010 | 3.07 | 11 | "Moments Later" | Norman Buckley | Joseph Dougherty | January3,2011 | 4.22 | 12 | "Salt Meets Wound" | Norman Buckley | Oliver Goldstick | January10,2011 | 3.21 | 13 | "Know Your Frenemies" | Ron Lagomarsino | I. Marlene King | January17,2011 | 2.99 | 14 | "Careful What U Wish 4" | Norman Buckley | Tamar Laddy | January24,2011 | 3.17 | 15 | "If at First You Don't Succeed, Lie, Lie Again" | Ron Lagomarsino | Maya Goldsmith | January31,2011 | 3.19 | 16 | "Je Suis Une Amie" | Chris Grismer | Bryan M. Holdman | February7,2011 | 3.14 | 17 | "The New Normal" | Michael Grossman | Joseph Dougherty | February14,2011 | 2.35 | 18 | "The Badass Seed" | Paul Lazarus | Oliver Goldstick & Francesca Rollins | February21,2011 | 2.90 | 19 | "A Person of Interest" | Ron Lagomarsino | I. Marlene King & Jonell Lennon | February28,2011 | 2.69 | 20 | "Someone to Watch Over Me" | Arlene Sanford | Joseph Dougherty | March7,2011 | 2.95 | 21 | "Monsters in the End" | Chris Grismer | Oliver Goldstick | March14,2011 | 2.94