Question: When was the greatest showman released in theaters?
Disambiguated questions and answers: question: When was the greatest showman released in the theatre on the RMS Queen Mary 2?
When was the greatest showman released to all US theaters?
answer: December 8, 2017
December 20, 2017
Natural Questions answer: December 20 , 2017 (from the Wikipedia article "The Greatest Showman")