How many episodes were in the 1 st season of Glee ?
The 3 - disc set contains the first 10 episodes of season 2 , including an exclusive " Rocky Horror Glee Show " song ( " Planet Schmanet Janet " ) recorded just for the DVD , a " Glee " music jukebox , a " Getting Waxed with Jane Lynch " featurette , Brittany 's most " profound " moments from season 1 and the first half of season 2 , and a " Glee at Comic - Con 2010 " featurette .