Through the Looking Glass (Lost) series would conclude 48 episodes after "Through the Looking Glass", they felt comfortable playing flashforwards as early as the third-season finale. Post-production wrapped on May 21, 2007, only two days before it aired on television. The score was composed by series musician Michael Giacchino, while popular music was also featured throughout the episode. Charlie also sings a song in the episode that was written by Dominic Monaghan, who plays him. A "Lost" season finale is approximately twice as long the average "Lost" episode. Due to the episode's length, it was split into two parts in some countries and when released
Lost (TV series) a 2005 Prism Award for Charlie's drug storyline in the episodes "Pilot", "House of the Rising Sun", and "The Moth." In 2007, "Lost" was listed as one of "Time" magazine's "100 Best TV Shows of All-"TIME"." The series was nominated for but did not win a Writers Guild Award and Producers Guild Award again in 2007. In June 2007, "Lost" beat out over 20 nominated television shows from countries all over the globe to win the Best Drama award at the Monte Carlo Television Festival. In September 2007, both Michael Emerson and Terry O'Quinn were nominated for an Emmy Award