Earlier today, ABC debuted the parody video featuring Once Upon a Time creators Edward Kitsis and Adam Horowitz teasing how they were inspired to bring the hit Disney movie Frozen to Storybrooke in Season 4. While the network still hasn't debuted the first clip featuring Anna (Elizabeth Lail) and Elsa (Georgina Haig), ABC has just released the first Season 4 trailer, which offers fans a brief glimpse at what's in store for their favorite characters this season. Take a look at the trailer below.

While none of the new Season 4 characters are seen in this trailer, there will be several new faces heading to Storybrooke this year. Along with Frozen sisters Anna (Elizabeth Lail) and Elsa (Georgina Haig), Scott Michael Foster is playing Anna's beau Kristoff, and it was revealed today that Anna and Kristoff are getting married this season.

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Elizabeth Mitchell has also signed on to play a mysterious villain in Season 4, who has ties to both Storybrooke and Arendelle, where Frozen is set. Series creators Edward Kitsis and Adam Horowitz previously revealed that more Frozen characters will be unveiled throughout the season, but their identities have not been revealed at this time.

The Season 4 Premiere of Once Upon a Time debuts Sunday, September 28 at 8 PM ET on ABC.