"Cloud 9" is a song featured in the television series Euphoria, which explores themes of adolescence, identity, and emotional struggles. The series, created by Sam Levinson, follows a group of high school students as they navigate complex issues such as love, trauma, and substance abuse. The song captures the essence of the characters' experiences, reflecting their highs and lows. It serves as a backdrop to pivotal moments in the show, enhancing the emotional depth and resonance of the narrative. The music and visuals together create a powerful atmosphere that resonates with the audience.