"Miss Me × 100" is the fifth episode of the fifth season and the one-hundredth episode overall of the ABC Family mystery drama series Pretty Little Liars. The episode, serving as the special 100th episode, was broadcast on July 8, 2014. It was directed by Norman Buckley and written by showrunner I. Marlene King, and features the return of Tyler Blackburn as Caleb Rivers, his first episode since leaving the show in the fourth season for its sister show Ravenswood.