How many episodes were in the 1 st season of Glee ?
" Glee " casting director Robert Ulrich , who was one of the mentors and judges of the competition , cited Jenner 's versatility and skill as an actor , and noted that with the character of Finn having graduated at the end of the show 's third season , Murphy , " Glee " showrunner , said they needed a new " anchor in the choir room " .