"Tríada: 1×6" likely refers to the sixth episode of the first season of the Mexican thriller series (titled Triptych in English), which premiered on Netflix.

: This episode exposes the clinical nature of the separation, revealing that the triplets were part of a controlled psychological experiment.

This specific episode is often cited by viewers on Rotten Tomatoes and IMDb as the moment the show transitions from a mystery into a high-stakes psychological thriller. It forces the audience to question the ethics of scientific advancement and the trauma of stolen identity.