Killjoys (Syfy): Ratings Recap

UPDATED 2021: Syfy's 'Killjoys' premiered in 2015 to a 0.26 18-49 rating & 966,000 viewers, and rose to 1.03 million viewers in episode 2. The show concluded to a 0.21 rating & 885,000 viewers and averaged a 0.23 & 955,000. The second season premiered in 2016 to a 0.24 rating & 765,000 viewers and averaged a 0.18 & 644,000 viewers; the third season premiered in 2017 and averaged a 0.17 with 624,000 viewers. A fourth season aired in 2018 where it tumbled down to 0.08 in the demo & 427,000 viewers, and a fifth season aired in 2019 where it ticked down even further to 0.06 & 316,000. The show aired a total of 50 episodes over the course of its 5 seasons.

Killjoys Season 1 Ratings (2015)
Episode Date	Viewers (millions)	18-49 rating
Jun. 19, 2015	0.966	0.26
Jun. 26, 2015	1.030	0.22
Jul. 3, 2015	0.915	0.21
Jul. 10, 2015	0.975	0.22
Jul. 17, 2015	0.956	0.24
Jul. 24, 2015	1.004	0.25
Jul. 31, 2015	0.841	0.23
Aug. 7, 2015	1.083	0.26
Aug. 14, 2015	0.897	0.20
Aug. 21, 2015	0.885	0.21
Average	0.955	0.23

Killjoys Season 2 Ratings (2016)
Episode Date	Viewers (millions)	18-49 rating
Jul. 1, 2016	0.765	0.24
Jul. 8, 2016	0.706	0.21
Jul. 15, 2016	0.618	0.18
Jul. 22, 2016	0.490	0.12
Jul. 29, 2016	0.771	0.19
Aug. 5, 2016	0.554	0.13
Aug. 12, 2016	0.631	0.18
Aug. 19, 2016	0.598	0.17
Aug. 26, 2016	0.677	0.20
Sept. 2, 2016	0.627	0.18
Average	0.644	0.18

Killjoys Season 3 Ratings (2017)
Episode Date	Viewers (millions)	18-49 rating
Jun. 30, 2017	0.552	0.15
Jul. 7, 2017	0.605	0.16
Jul. 14, 2017	0.638	0.17
Jul. 21, 2017	0.579	0.17
Jul. 28, 2017	0.722	0.22
Aug. 4, 2017	0.655	0.16
Aug. 11, 2017	0.644	0.19
Aug. 18, 2017	0.623	0.15
Aug. 25, 2017	0.628	0.16
Sept. 1, 2017	0.589	0.15
Average	0.624	0.17

Killjoys Season 4 Ratings (2018)
Episode Date	Viewers (millions)	18-49 rating
Jul. 20, 2018	0.451	0.09
Jul. 27, 2018	0.431	0.09
Aug. 3, 2018	0.369	0.05
Aug. 10, 2018	0.413	0.07
Aug. 17, 2018	0.434	0.10
Aug. 24, 2018	0.398	0.08
Aug. 31, 2018	0.378	0.09
Sept. 7, 2018	0.482	0.10
Sept. 14, 2018	0.428	0.07
Sept. 21, 2018	0.482	0.10
Average	0.427	0.08

Killjoys Season 5 Ratings (2019)
Episode Date	Viewers (millions)	18-49 rating
Jul. 19, 2019	0.324	0.09
Jul. 26, 2019	0.268	0.04
Aug. 2, 2019	0.384	0.08
Aug. 9, 2019	0.392	0.08
Aug. 16, 2019	0.294	0.04
Aug. 23, 2019	0.353	0.06
Aug. 30, 2019	0.258	0.04
Sept. 6, 2019	0.259	0.05
Sept. 13, 2019	0.293	0.05
Sept. 20, 2019	0.336	0.05
Average	0.316	0.06

Source: Nielsen Media Research