Penny Dreadful has ended after three seasons

Penny Dreadful ended its three-season run on Showtime last night with a surprise series finale, a move that's generated plenty of shock and dismay among the show's devoted fans. Showtime president David Nevins and creator John Logan confirmed the show's cancelation in a series of interviews published this morning, all of which frame the show's surprise ending as the final piece of a grand multi-season plan.
(Spoilers for Penny Dreadful's third season below.)
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