In anticipation of the exciting Season Finale of ABC’s “Once Upon a Time” and the series premiere of Disney XD’s upcoming animated series, “TRON: Uprising,” master storytellers Edward Kitsis and Adam Horowitz, the series creators/executive producers of “Once Upon a Time” and the consulting producers of “TRON: Uprising,” will answer fan questions about the shows, LIVE and on-camera on Facebook, WEDNESDAY, MAY 9 from 3:00-4:00 p.m., ET/12 noon-1:00 p.m., PT. A pre-show featuring behind-the-scenes video from “Once Upon a Time” will begin 30 minutes earlier, at 2:30 p.m., ET/11:30 a.m., PT.

The chat will be moderated by Eric Goldman, Executive Editor, IGN TV at IGN.com, who will cull questions from Facebook to pose to Eddy and Adam. To view and join in the conversation, simply sign in at facebook.com/onceabc

The first half of the chat (3:00-3:30 p.m., ET/12 noon-12:30 p.m., PT) will be devoted to “Once Upon a Time” questions. Then, at 3:30 p.m., ET/12:30 p.m., PT, Kitsis and Horowitz will present an exclusive, three-minute sneak peek to the prelude, “TRON: Uprising, Beck’s Beginning,” followed by a half-hour “TRON: Uprising” Q&A.