Question: how many episodes are in season 6 of once upon a time
Answer: of episodes 22 Release Original network ABC Original release September 25 , 2016 ( 2016 - 09 - 25 ) -- May 14 , 2017 ( 2017 - 05 - 14 ) Season chronology ← Previous Season 5 Next → Season 7 List of Once Upon a Time episodes