During the Once Upon a Time season 4 premiere airing last night, most of the main cast members shared their reactions with fans on Twitter.

Did you like the Once Upon a Time season 4 premiere episode? The cast and crew definitely did! During a screening in Vancouver, many of the actors chatted with fans and shared their thoughts on Twitter, and we’ve collected some of the best tweets right here!

Related: Once Upon a Time season 4, episode 1 recap: Rewriting history

Georgina Haig (Elsa) might be our new favourite person to follow on Twitter – she had lots of fun observations and BTS snippets to share.

Sharing a fun little piece of trivia on the attic flashback scene, Haig reveals:

She makes a hilarious observation about Elsa’s trail of ice as she enters Storybrooke:

She also makes a good point about the ice giant:

…And shares our feelings about the troll scene:

On one of the episode’s most beautiful scenes, where Emma and Regina are on either side of the door, Haig says:

Co-star Elizabeth Lail (Anna) teases what’s ahead for her character…

She also says she’d like to share a scene with Lana Parrilla (Regina)… perhaps implying that she hasn’t yet?

And on playing Anna, Lail says:

While Scott Michael Foster (Kristoff) is trying to avoid spoiling too much in his tweets, he does give some hints about what we can NOT expect to see (or hear) in future episodes:

Sean Maguire (Robin Hood) reassures a worried OutlawQueen fan:

But it’s not gonna be smooth sailing for the pair:

Lana Parrilla RTs an unfortunate observation by William Shatner (that’s right, he’s a fan):

She also shares what might have been the episode’s best quote:

Colin O’Donoghue shares some pictures from the premiere party:

Ginnifer Goodwin (Snow) teases more Mickey Mouse easter eggs in future episodes!

She also thinks there’ll be more flashbacks to Snow’s outlaw days:

Josh Dallas (David) gets fans excited about episode 2 (a Charming flashback):

And finally, a fun note about Belle’s choice of honeymoon location:

What were your favourite moments from the Once Upon a Time season 4 premiere episode?

The show returns next Sunday with season 4, episode 2 “White Out.”