The top mistakes in Thank God It's Friday http://www.moviemistakes.com/film3430 en Sat, 04 Oct 2008 05:55:15 +0000 30543 Near the end of the film, when the Commodores finally go on stage with their equipment, Bobby Speed announces them from inside the control booth. But the movement of his mouth does not match the audio (you have to look at his reflection in the glass wall).