Telemundo.com/activar roku is the official website of Telemundo, a Spanish-language television network in the United States. The website features news, entertainment, sports, and other content related to Latin America and the Hispanic community in the United States. On Telemundo.com, you can watch full episodes of Telemundo's popular shows, such as "La Reina del Sur," "El Señor de los Cielos," and "La Doña." The website also provides live streaming of Telemundo's TV channel for viewers who want to watch their favorite programs online.