Spoiler: 5/16/18 Season 9 Finale episode SEASON 9 FINALE PHIL AND MITCHELL ATTEND 'HERO-CON,' AND GLORIA'S PARTY FOR JOE IS RUINED BY HER NEMESIS, ON THE SEASON 9 FINALE OF ABC'S "MODERN FAMILY" Jane Krakowski Guest Stars as Dr. Donna Duncan "Clash of Swords" – Mitchell sneaks out to 'Hero-Con' with fanboy Phil, dressed as their favorite characters from the show Clash of Swords. It's great until Phil commits the ultimate fan faux pas. In a clash of another kind, Gloria's dinosaur party for Joe is ruined when her nemesis, Dr. Donna Duncan (Jane Krakowski), upstages her with a far bigger and better party right next door, on the Season 9 Finale of "Modern Family," WEDNESDAY, MAY 16 (9:00–9:31 p.m. EDT), on the ABC Television Network, streaming and On Demand. "Modern Family" stars Ed O'Neill as Jay Pritchett, Julie Bowen as Claire Dunphy, Ty Burrell as Phil Dunphy, Sofia Vergara as Gloria Pritchett, Jesse Tyler Ferguson as Mitchell Pritchett, Eric Stonestreet as Cameron Tucker, Sarah Hyland as Haley Dunphy, Nolan Gould as Luke Dunphy, Ariel Winter as Alex Dunphy, Rico Rodriguez as Manny Delgado, Aubrey Anderson-Emmons as Lily Tucker-Pritchett and Jeremy Maguire as Joe Pritchett. Guest starring are Jane Krakowski as Dr. Donna Duncan, Christian Barillas as Ronaldo, Ben Schwartz as Nick, Chelly as Lackey, Brian Dare as Peter Pan, John Hartman as Dragon Slayer, Adam Rose as Adam, Desi Stein as Woman at Comic-Con, Terrence Terrell as TinkerBell, and Dylan Bay Kleckner as Cal. "Clash of Swords" was written by Elaine Ko & Stephen Lloyd. Jim Hensz directed. FYI: ABC has renewed Modern Family for Season 10.