Once Upon a Time 6x18 Promo/Preview "Where Bluebirds Fly" Once Upon a Time Season 6 Episode 18 Promo Once Upon a Time 6x18 Promo "Where Bluebirds Fly" (HD) Once Upon a Time 6. sezon 18. bölüm fragmanı » Starring: Jennifer Morrison, Lana Parilla, Ginnifer Goodwin, Josh Dallas, Colin O'Donoghue, Robert Carlyle