I found a small, but irritating bug (or bad browsing design if you want to call it something else) while browsing my series in thumbnail view with the arrow keys.
If you stand on the second last line, not able to see the last line, and there are no thumbnails directly under the highlited thumbnail you are currently on, you will not be able to go to the last line with the down arrow key.
That was kindo of a bad sentance, so I'll try to illustrate:
x = thumbnails
o = highlited thumbnail
x x x x x x
x x x o x x
x x x
You will not be able to go from "o" to the last line with the down key (or any of the thumbnails right of it), and therefor end up beliving there are no more thumbnails. I have done this with a couple of seasons in the last month. With the result being a very strange beginning of the next season as I have skipped 2-3 episodes. I got pretty darn mad when I found out after episode 2 in the new season