Once Upon a Time 4×21 & 4×22 “Operation Mongoose” Promo Season Finale

Once Upon a Time 4×21 “Operation Mongoose Part 1” & 4×22 “Operation Mongoose Part 2” (Season Finale) – The villains finally get their happy endings and the forces of good are a thing of the past. Once Upon a Time two-hour season finale, next Sunday on ABC! Subscribe to tvpromosdb on YouTube for more Once Upon a Time season 4 promos in HD! Official website: http://abc.go.com/shows/once-upon-a-time/ Official Facebook Page: https://www.facebook.com/OnceABC/ Official Twitter Page: https://twitter.com/OnceABC/ Once Upon a Time on Amazon: http://bit.ly/OnceABC Once Upon a Time 4×21 “Operation Mongoose Part 1” & 4×22 “Operation Mongoose Part 2” Promo/Preview (Season Finale) Once Upon a Time Season 4 Episode 21 & 22 Promo Once Upon a Time S04E21 & S04E22 Promo Once Upon a Time Finale Promo