I don’t think they have an agenda in bringing in Frozen…the writers are just huge fans of the films themselves. Remember, OuaT is really just one big fanfiction!
All writes have an agenda. It’s called ratings.
Frozen is HUGE right now. Of course they are going to bring it in. That’s why even the promo for this season finale was “make sure you stick around for the final few mins!!” because they want everyone to know that they are bringing the new Disney favorite.
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"He was a lot of things to me" "The only conclusion was love"