'' The Futon Critic '' placed the episode first in the site 's annual " 50 Best Episodes " list . '' E! '' said that " Through the Looking Glass " was possibly " the best episode ever of the entire series . " '' TV Guide '' described " Through the Looking Glass " as " a dizzying exercise in adventure , sustained tension and time-shifting rug pulling that was spectacularly produced , amazingly directed and gloriously acted . " IGN gave the double episode a perfect 10/10 – the best review of the season – saying it was " nothing short of a masterpiece of storytelling with a brilliantly paced narrative . " '' IGN '' would conclude that the flashforward was the " Biggest Shock " in 2007 television . Both IGN and '' The Los Angeles Times '' would later declare " Through the Looking Glass " as the second best '' Lost '' episode , behind " The Constant " . '' BuddyTV '' praised the unpredictability , saying that " no other show can even attempt to do what '' Lost '' does . " '' BuddyTV '' would later call " Through the Looking Glass " the best finale of 2007 and Charlie 's death the saddest TV death of 2007 . " Through the Looking Glass " was ''TV.com '' 's " Editor 's Choice " for " Best Episode " of 2007 . '' AOL '' 's '' TV Squad '' gave the episode a 7/7 , noting that " the writers followed through on Desmond 's premonitions and successfully delivered the highly anticipated game-changer . " '' Television Without Pity '' gave the third-season finale an " A " . '' The Sydney Morning Herald '' wrote that '' Lost '' " may have unjumped the shark with the flashforward . " '' Entertainment Weekly '' ranked it as one of the top ten episodes of 2007 , saying that the cliffhanger " revealed new dimensions to '' Lost '' 's creative world . " '' Zap2It '' questioned " whether to be deeply frustrated ( again ) , really , really confused ( a distinct possibility ) or just in awe of the incredible mind - ( ahem ) show runners … have pulled off . " The writing for Locke was criticized , and one '' IGN '' writer said that " it seems irrational that he would go and stab Naomi in the back without explaining himself . " Lindelof stated " that we might be willing to give Locke the benefit of the doubt for any action he took in response to lying , gutshot , in a pit of Dharma corpses for two days and on the verge of taking his own life , even if considered slightly ' out of character ' . " Film and television director and writer Kevin Smith said that " to do 3 seasons and then suddenly throw a massive curveball is just so dramatically satisfying , you just take your hats off to the writers in a big , bad way . " This episode was nominated for Outstanding Directing , Outstanding Writing , and Outstanding Single-Camera Picture Editing for a Drama Series for the 59th Primetime Emmy Awards , but failed to win in any of the categories . This episode was also submitted for consideration for Outstanding Drama Series " ; however , it was not nominated . For his work on this episode , Jack Bender was nominated for the Directors Guild of America Award for Outstanding Directing – Drama Series
59th Primetime Emmy Awards
59th Primetime Emmy Awards
Through the Looking Glass (Lost)