The executive producers of Once Upon a Time recently revealed a series of plot developments viewers should expect from season 3 going forward, including more details on Regina (Lana Parrilla) and Robin Hood's (Sean Maguire) relationship.

Once Upon a Time executive producers Edward Kitsis and Adam Horowitz recently spoke with TV Guide about a variety of spoilers. When asked if the Regina and Robin Hood relationship would be addressed in future episodes, Horowitz confirmed that it would be explored.

Earlier in the season, fans witnessed a flashback to Tinker Bell (Rose McIver) play matchmaker with Regina and Robin Hood back in the Fairytale Land That Was.

Horowitz also teased "never say never" when asked if there would ever be a musical episode of Once Upon a Time. Kitsis suggested that the option is still there to do one in the future, though Horowitz noted that there are no immediate plans.

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Fans were shocked to realize that Peter Pan (Robbie Kay) was actually Mr. Gold/Rumple's (Robert Carlyle) father in the latest episode of Once. Kitsis said that they buried clues this season that would lead fans to predict the connection.

"If you re-watch all the episodes and their scenes together this season, you will see the buried hints sprinkled, including in Episode 4 when they come into the campfire and he says, "Now isn't this a family reunion," Kitsis noted.

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Once Upon a Time season 3 airs Sundays at 8 p.m. on ABC.

Watch a preview for the next episode of Once Upon a Time here:

Tags: Once Upon A Time Once Upon A Time Season 3 Spoilers