Penny Dreadful (Showtime): Ratings Recap

Showtime's 'Penny Dreadful' premiered May 11, 2014 to a 0.39 adults 18-49 rating with 872,000 viewers, stayed above 700,000 viewers for all 8 episodes of its first season, and concluded to a 0.33 rating with 856,000 viewers. A second season premiered in 2015 to a 0.21 rating with 575,000 viewers, hit a low of 523,000, but recovered to a 0.30 with 746,000 viewers for its season finale. A third and final season premiered in 2016 to a 0.18 rating with 540,000 viewers, hit a low of 0.13 with 448,000, and finished off to a 0.14 rating and 551,000 viewers. It aired a total of 27 episodes over the course of its three seasons. 

Penny Dreadful Season 1 Ratings (2014)
Episode #	Viewers (millions)	18-49 rating
101	0.872	0.39
102	0.722	0.20
103	0.734	0.32
104	0.730	0.32
105	0.797	0.30
106	0.681	0.29
107	0.799	0.40
108	0.856	0.33

Penny Dreadful Season 2 Ratings (2015)
Episode #	Viewers (millions)	18-49 rating
201	0.575	0.21
202	0.536	0.22
203	0.639	0.26
204	0.640	0.24
205	0.712	0.30
206	0.566	0.22
207	0.572	0.19
208	0.523	0.22
209	0.604	0.20
210	0.746	0.30

Penny Dreadful Season 3 Ratings (2016)
Episode #	Viewers (millions)	18-49 rating
301	0.540	0.18
302	0.554	0.20
303	0.599	0.19
304	0.482	0.17
305	0.656	0.20
306	0.722	0.23
307	0.651	0.18
308	0.448	0.13
309	0.551	0.14

Source: Nielsen Media Research