<P> The episode was originally broadcast on May 16, 2013 in the United States on the American Broadcasting Company (ABC), and it was watched by 8.99 million viewers . In the key 18 - 49 demographic, the episode was ranked 11th and 18th in overall viewership rank and was the 4th most watched Drama . The episode scored a 3.1 / 8 in Nielsen ratings and was the 3rd most watched drama . </P> <P> The episode received generally positive reviews from television critics . Entertainment Weekly gave a mixed review writing, "I'm freaking out . I spent the entire episode predicting which character was going to end the season in peril, and let's just say that the nature of the episode caused me to change my mind at least four times ." </P> <P> TV Fanatic lauded the episode and said, "No matter what goes on during a season, you are always able to pull off an unforgettable finale and Perfect Storm was no exception . From explosions to operating in the dark, to the arrival of a beautiful McBaby Boy and the realization of feelings by many of the doctors, the hour was jam packed ." and praised the cast, "Big kudos to Ellen Pompeo and Chandra Wilson for amazing performances ." </P> <P> The Hollywood Reporter said the episode was "emotional on multiple levels" whereas After Ellen called it "was a hot mess of emotions". </P>

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