Merlí. Sapere Aude (2019) Parents Guide: Is the series OK for kids?

Sexual content is moderate to strong. There are multiple instances of passionate kissing and implied sexual encounters. Scenes include partial nudity (bare backs, breasts) during intimate moments. Discussions about sex, sexual orientation, and sexual health, including HIV, are prominent. A character reveals an HIV diagnosis, leading to discussions about safe sex and prejudice.

Violence is very minimal. There are no graphic depictions of violence or significant physical altercations. Some verbal confrontations occur, but they do not escalate to physical violence.

Strong language is frequent and pervasive throughout the season. Characters regularly use profanity in Spanish, including words equivalent to "fuck," "shit," and "asshole." These expletives are used in moments of anger, frustration, and casual conversation.

Alcohol consumption is very frequent, often depicted in social settings like parties and bars, with characters drinking casually and to intoxication. Professor Bolaño actively struggles with severe alcoholism and drug addiction throughout the season, shown drinking heavily, hiding alcohol, and experiencing the negative consequences of her addiction, including withdrawal and impaired judgment. There are also instances of recreational drug use, particularly at parties.

Significant mature themes include addiction (Professor Bolaño's struggle with alcoholism and drug dependence), grief (Pol's ongoing mourning for Merlí), family issues (Rai's family economic crisis, Minerva's strained relationship with her parents), and self-discovery, particularly regarding sexuality and identity among the university students. Academic pressure and disillusionment are also explored.