Murphy, who was himself in the school was involved in the choir,
approved the script and suggested to his friend and colleague Brad Falchuk start shooting a TV show.
In June 2011, Murphy said that at the end of the third season, the cast of the series is partially replaced, as the plot of the characters will have to finish their schooling,
but Brad Falchuk said that the end of schooling does not
mean that the characters leave the series[25].