I came across this pretty neat app called Weaot through App Flow. Weaot is a complete databse of TV shows, organising them into seasons and then episodes with a little summary and thumbnail of each episode. On going series can be viewed on the Weaot calendar so you can keep an eye on just the shows you like. If the season has ended, you will get dates of the next new season. Also pretty neat are the included wallpapers (though landscape only)
Weaot is a must have app for TV fans, search for your favorite shows, add them to your watchlist and get notified when a new episode is going to be aired!
You can also browse one of the most complete TV databases and get a lot of info such as:
Summary of the series.
Summary of each episode that has been aired so far, with an image.
And a lot of high quality fanart images.