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Oliver returns to Starling City on Earth-2, where he encounters familiar faces while trying to decipher the Monitor's mission. Meanwhile, Mia and William's team clash with a new foe.
First Air Date : Oct 10, 2012
Last Air date : Jan 28, 2020
Episode : 170 Episode
Season : 8 Season
Runtime: 26:14 minutes
Studio: The CW
Country: United States of America