The single was released on September 28, 2018, through several music portals including iTunes.
Composition
A bright, R&B-influenced pop song, "Wow Thing" puts the foursome's powerful vocals in the spotlight and showcases their dynamic through its accompanying music video, released through SM Entertainment's Station X 0 project. The song emphasizes on self-love and confidence in the people's actions, urging them to be positive while finding their own path.