Penny Dreadful started in 2017.
Penny Dreadful (TV series) . It premiered at the South by Southwest film festival on March 9 and began airing on television on April 28 , 2014 , on Showtime on Demand . The series premiered on Showtime on May 11 , 2014 , the first in an eight-episode season . After the third-season finale on June 19 , 2016 , series creator John Logan announced that Penny Dreadful had ended as the main story had reached its conclusion .