On 4 December 2017, during sixth week's live show or "Gala 6", it was announced that the series would serve as the platform to select the Spanish entrant at the Eurovision Song Contest 2018. On 20 December 2017, TVE announced that the five contestants that would succeed in advancing to the series' final would also be the five candidates to represent Spain at Eurovision. The live show that selected the Spanish entrant and song for Eurovision took place on 29 January 2018. Alfred García and Amaia Romero were selected with the song "Tu canción".