Once Upon a Time Season 6: What We Know So Far… September 19, 2016 Featured, Once Upon a Time, TV Chat Season 6 of Once Upon a Time will delve into the Savior mythology and I couldn’t be more excited!! In addition, Storybrooke will also have to deal with the arrival of Mr. Hyde and the Evil Queen. And that’s not all! We have gathered some of the information released as to what we can expect for this new season. So here is what we know so far… Once Upon a Time season 6 premieres on Sunday, September 25th at 8pm on ABC. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)