On October 24th 2015 the Colloquium-Seminar on the conference “The Third” by Jacques Lacan, the text established by Jacques-Alain Miller and recently published in the journal Lacaniana #18, took place at the EOL in Buenos Aires, with the presentations by Ricardo Nepomiachi, Esteban Klainer, Daniela Fernández, Gerardo Arenas, Kuky Mildiner, Gisela Smania, Daniel Millas, Graciela Brodsky and María Leonor Solimano. Our colleagues Graciela Musachi, Angélica Marchesini and Eduardo Suárez chaired this evening and makes a report on this event for Radio Lacan’s audience.