The search for the "complete subtitled series" of the Borgias often leads to a choice between two distinct, high-profile productions released around the same time. Both are available on major streaming platforms and physical media with various subtitle options. The Borgias (Showtime Version) This is the big-budget, "glossy" production starring Jeremy Irons as Rodrigo Borgia. Prime Video
Given that the subject line refers to a complete TV series with subtitles, I will assume you need a examining the historical drama The Borgias (the 2011–2013 Showtime series created by Neil Jordan, often marketed in Spanish as Los Borgia ) or the 2006 Spanish/Italian film Los Borgia (dir. Antonio Hernández).
The narrative is driven by the family's internal friction and external threats, primarily from (Colm Feore), who seeks to depose Alexander VI to "cleanse" the Church of its perceived rot. Production and Lavish Aesthetic
The sibling rivalry between Cesare and Juan reaches a point of no return. Season 3: Total War (10 Episodes) The Borgias (TV Series 2011–2013) - Episode list - IMDb