High Quality Content by WIKIPEDIA articles! "Through the Looking Glass" is the third season finale of the ABC television series Lost, consisting of the 22nd and 23rd episodes of the third season. It is also the 71st and 72nd episodes overall. It was written by co-creator/executive producer Damon Lindelof and executive producer Carlton Cuse, and directed by executive producer Jack Bender. When first aired on May 23, 2007 in the United States and Canada, it was watched by an average of 14 million American viewers. Like the previous two season finales, it was two hours long with advertisements, twice the length of a normal episode. It was edited into two individual episodes when released on DVD. The season finale is widely regarded as one of the best episodes of Lost. The episode garnered a number of awards and nominations, including three Emmy nominations and a DGA Award nomination.