Sue Sylvester appeared in an American musical comedy-drama television series.
Glee is an American musical comedy-drama television series that aired on the Fox network in the United States from May 19 , 2009 , to March 20 , 2015 . Susan `` Sue '' Sylvester is a fictional character of the Fox musical comedy-drama series , Glee . Because her cheerleading squad competes with the glee club for the school 's limited funding , she is often at odds with the club and more particularly its director Will Schuester ( Matthew Morrison ) . William Michael `` Will '' Schuester , often referred to as Mr. Schue , is a fictional character from the Fox musical comedy-drama series Glee .