"Glitch Mode" (Korean: 버퍼링; RR: Beopeoring; lit. "Buffering") is a song that was recorded by South Korean boy group NCT Dream. It was released as the lead single from their second studio album Glitch Mode (2022) on March 28, 2022, alongside an accompanying music video. The song was written by NCT Dream's member Mark and Yoo Jae-eun and was composed by Sam SZND alongside Benjamin 55 and Alony 55, who also worked on the arrangement.