Board Thread:Spoilers!/@comment-26385535-20160127061149/@comment-6175354-20160128143031

NickyHelp wrote: Where the heck is Regina and Robin in this episode? Do you suppose they recently returned to Storybrooke earlier in either the "Our Decay" episode or the "Her Handsome Hero" episode? Most filming takes place in-studio, which is a closed set.

Besides, it is very possible that some of the core characters escaped Underbrooke, when Belle and Zelena entered.... think of it as a trade, if you will.