On September 12, 2016, it was revealed that the next SM Station single, titled "Dancing King" would feature Yoo Jae-suk and EXO, and be released on September 17. It was also revealed that all the profits of the single would be donated. The song has been described as "a dance song based on brass sound and passionate samba rhythm". It was officially released on September 17.
The music video was released following which featured EXO. It features shots of the dress rehearsal and the actual performance from EXO Planet #3 - "The EXO'rDIUM" concert in Bangkok interspersed with more lighthearted clips of Yoo Jae-suk and EXO members jamming out.