Visible crew/equipment: In "The Power of Madonna", just before Sue drops the Madonna CD onto Figgin's desk, a camera is briefly visible over her right shoulder.
Visible crew/equipment: During "Valerie", as Santana resumes singing right after Mike has somersaulted over Brittany, you can see a cameraman filming the girls' group in the bottom left corner of the screen. (00:32:15)
Answer: According to IMDb.com, Ian Brennan, one of the "Glee" writers and producers, is listed as the uncredited narrator voice.
Michael Albert