This Sunday on Once Upon a Time (ABC, 8/7c), Emma and Regina pair up to set in motion their plan of attack against Hades — but will a bunch of “squiggly lines” do the trick?

ABC has released official descriptions with spoilers for the Weiter two episodes of Once Upon A Time. Hopefully we’ll have some Fotos soon.

The story of Zelena and Hades

Hook's brother returns to help Emma and Hook find a key to defeating Hades...but he's got his own secrets