As of May 17, 2018, 138 episodes of Arrow have aired, concluding the sixth season. On April 2, 2018, the CW renewed the series for a seventh season.\n\nAnswer this question based on the passage: when was the last episode of arrow aired? Let's have some stream of consciousness first.
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The important part for answering this question is: As of May 17, 2018, 138 episodes of Arrow have aired, concluding the sixth season. So, the answer is May 17 , 2018.
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