“Once Upon a Time” fans are going to want to make their way to California for the Disney D23 Expo this weekend. The Anaheim convention will debut a first look sneak peek video from the highly anticipated Season 5 premiere.

Series co-creator Adam Horowitz made the exciting announcement on Twitter:

The D23 Expo is an event held by the official Disney Fan Club. For three days, Disney lovers gather at the Anaheim Convention Center in California to check out sneak peeks from their favorite movies and hear from their favorite television and movie stars.

This year “Once Upon a Time” is jumping in on the D23 Expo fun with a panel Saturday, Aug.15 at 6 p.m. EDT. The event is titled “Once Upon a Time: An Evening With Snow White & The Evil Queen” and will reunite fans with co-creators Edward Kitsis and Adam Horowitz, along with stars Ginnifer Goodwin (Snow White) and Lana Parrilla (Regina). Fans will get to hear them discuss everything from Emma’s new role as the “Dark One” to the mysterious Merlin, who is Emma’s only shot at divesting herself of the darkness.

[Click HERE for the D23 Expo full schedule.]

“Once Upon a Time” Season 5 premieres on ABC on Sunday, Sept. 27 at 8 p.m. EDT. Are you going to D23 this weekend? Tweet @AmandaTVScoop.