On June 20, KBS revealed that Black Pink's "See U Later" was determined unfit for broadcast due to its usage of cursing, slang terms, and derogatory expressions. The rest of the songs from 'Square Up', including title song "DDU-DU DDU-DU", will be allowed on broadcasts on KBS programs.�

United Cube's special rap unit track "Mermaid" featuring BTOB's Minhyuk, Peniel, and Ilhoon; CLC's Yeeun; Pentagon's Wooseok; and (G)I-DLE's Jeon So Yeon was deemed unfit for broadcast due to its reference of sexual relations between a male and a female, as well as mentions of lewd terms in the lyrics.�