NzbDrone/NzbDrone — comment on commit 0025bb9840337c923c1297cf51166db36d8b232b
File: NzbDrone.Web/Controllers/SeriesController.cs line 186
By kayone:

I don't think its necessarily to get the list of episodes when loading the series page, this should just load a list of Ints (season numbers), then the view would go over the list and pass them to season view which would render the season based on seriesID and season number.