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NEW YORK, NY - APRIL 25: Ralph Macchio (L) and William Zabka surprise fans at a special screening of YouTube Red Original Series 'Cobra Kai' on April 25, 2018 in New York City. (Photo by Taylor Hill/FilmMagic for YouTube)

NEW YORK, NY - APRIL 25:  Ralph Macchio (L) and William Zabka surprise fans at a special screening of YouTube Red Original Series 'Cobra Kai' on April 25, 2018 in New York City.  (Photo by Taylor Hill/FilmMagic for YouTube)