From Dusk Til Dawn (El Rey): Ratings Recap

El Rey's 'From Dusk Til Dawn' premiered in 2014, before El Rey was rated by Nielsen. The first ratings available for the series were for season 2. The second season premiered in late 2015 with a 0.02 adults 18-49 rating & 63,000 viewers, the third season premiered in 2016 with a 0.02 & 71,000 viewers.

From Dusk Til Dawn Season 2 Ratings (2015)
Episode #	Viewers (millions)	18-49 rating
201	0.063	0.02
202	0.016	0.00
203	0.046	0.01
204	0.026	0.01
205	0.061	0.01
206	0.048	0.01
207	0.040	0.01
208	0.033	0.01
209	0.026	0.01
210	0.039	0.02

From Dusk Til Dawn Season 3 Ratings (2016)
Episode #	Viewers (millions)	18-49 rating
301	0.071	0.02
302	--	--
303	0.058	0.01
304	0.061	0.02
305	0.045	0.02
306	0.037	0.02
307	0.028	0.01
308	0.061	0.03
309	0.059	0.02
310	0.041	0.02

Source: Nielsen Media Research