If you like the TV show, Glee, you should subscribe to Gleek Squad Podcast on iTunes now!
Other podcasts I listen to:
Chuck Cast devoted to the NBC show, Chuck
The Lost Podcast with Jay & Jack dveoted to Lost on ABC
The 10th Wonder Podcast devoted to Heroes on NBC
Echo Alert Podcast devoted to Dollhouse on Fox
The CW Source Podcast (I listen to One Tree Hill & Gossip Girl episodes)
That's What She Said Podcast devoted to The Office on NBC
TV Times Three devoted to all things TV
The TV Addict devoted to all things TV
TV Talk With GMMR & Ducky devoted to all things TV
Potter Cast devoted to Harry Potter
Imprint devoted to Twilight
Creative Screenwriting devoted to interviews with screenwriters/producers
What podcasts do you listen to?