The premiere of the fourth season of the Telemundo super series El Señor de los Cielos ranked as the highest rated premiere in network history among Total Viewers, averaging 2,794,000, according to Nielsen. The premiere also delivered 1,631,000 Adults 18-49 and 873,000 Adults 18-34. Starring Rafael Amaya as Aurelio Casillas, the original production ranked as the #1 Spanish-language program in primetime among Total Viewers, Adults 18-49 and Adults 18-34, and ranked as the #1 broadcast program in the 10pm hour regardless of language among Adults 18-34. The premiere reached a cumulative audience of 3,390,000 Total Viewers, including 1,939,000 Adults 18-49. Fueled by the premiere of El Señor de los Cielos, in its time slot, Telemundo was the #1 broadcast network, regardless of language among Adults 18-49 in Chicago, Houston, Phoenix, Washington, DC and Miami, where it also ranked #1 among Total Viewers, regardless of language. The network also ranked as the #1 Spanish-language broadcast network, during the Super Series time slot, among Total Viewers and Adults 18-49, in New York, Denver and Orlando, and among Total Viewers in Chicago, Dallas, Houston, Phoenix and Washington, DC.