A Next Episode iPhone app is in the works, and if you want to be notified once it's out - click here.
While you're eagerly awaiting for this miraculous moment to come, you should probably check out the 9000 Awesome Facts & Laws (+Surprise) iPhone app, which has proven itself to be a hands down best app ever.
Btw, a Windows Mobile n-e app is in the works as well, so expect a notification registration for that as well (soon).
Breaking news: A new Dexter episode is out in the wild!. ( I'm 2 days behind the events as usual, but aaaanyway:) )