Thanks! This is still a work in progress.
This is a good catch. This looks like it's because it's a special. We've had to deal with this trickiness in the past. Also, we'll be making sure the options show up for movies soon.
For the example you gave, I'd highly suggest putting that in Movies, not TV as there's just a single episode.
It only shows the last 50 recordings. If you scope the recordings by show, it shows all of the recordings for that show.
The reason for this is large libraries will essentially be insanely slow to load and the web page won't be very stable. Since this view exists for managing recordings, we think showing the last 50 recorded items is suitable. We will be investigating a pagination button though so that at the end of the list, you could request more recordings.