Did Boyz II Men sing on Psych?

Yes, Boyz II Men made a guest appearance on the TV show "Psych." They performed in the season 3 episode titled "Disco Didn’t Die. It Was Murdered!" The group contributed to the comedic and nostalgic elements of the show, aligning with its unique blend of humor and pop culture references. Their appearance is fondly remembered by fans of both the series and the group.