Reviewers from Wikipedia and Rotten Tomatoes highlight the episode's successful use of suspense and "unlikely sources" for help.

The Season 1 finale, " For Whom the Bell Tolls " (S1E22), is a pivotal episode that originally aired on March 21, 2011. It is widely remembered for its high stakes, drawing 3.64 million viewers as one of the season's highest-rated installments. Key Plot Developments

: When the police arrive, Ian’s body has vanished, leaving the Liars in a precarious position as they are questioned about what really happened.