The series dates back many years. I've been playing the DS games. They're similar to the old Super Nintendo games. I played the last two (and don't remember if I finished them) on the Nintendo DS and enjoyed them.
I prefer to play games to watching TV. If I get stuck I can look up a game guide on the web. I really love the Nintendo DS because it has so many great (and fun) games. This series are some of the best.
The official website is in Japanese so I don't know what it says. I do like the Gothic Horror art designs of these games. The main "baddie" is always Dracula.
http://www.konami.jp/gs/game/dracula_ds3/