How many episodes were in the 1 st season of Glee ?
Three boxed sets were released for the second season : " Glee Season 2 : Volume 1 " containing the first ten episodes on January 25 , 2011 , and both " Glee Season 2 : Volume 2 " with the final twelve episode and " Glee : The Complete Second Season " with all twenty - two on September 13 , 2011 .