"Dear Princess Celestia, as your (former) most faithful student, I feel I have to warn you that this is probably a trap. Chrysalis cannot possibly be serious about this. Why would anyone, much less her, want to shoot a documentary on us?"
Chrysalis has never before heard of this "Hearth's Warming Eve" holiday, but when she finally does learn of it, she realizes what she must do: steal it. Steal it all.