The clip also features a voice-over of a troll saying, "You must find the truth." Disney also shared new footage of Frozen 2 at its D23 event in Anaheim, California, in August, as well as a new song.

Olaf sits there, recapping the events of Frozen 2 for an audience that we can't see at first; it's a funny callback to earlier in the movie, when he narrates a quick recap of what happened in the ...