Always like the retrospectives GT does. Here they tackle Castlevania.
part I:
http://www.gametrailers.com/video/part-i-the-castlevania/705561
part II:
http://www.gametrailers.com/video/part-ii-the-castlevania/705740
Part III:
http://www.gametrailers.com/video/part-iii-the-castlevania/705741
Part IV:
http://www.gametrailers.com/video/part-iv-the-castlevania/705742
Part V:
http://www.gametrailers.com/video/part-v-the-castlevania/705743
edit: added part V
part I:
http://www.gametrailers.com/video/part-i-the-castlevania/705561
part II:
http://www.gametrailers.com/video/part-ii-the-castlevania/705740
Part III:
http://www.gametrailers.com/video/part-iii-the-castlevania/705741
Part IV:
http://www.gametrailers.com/video/part-iv-the-castlevania/705742
Part V:
http://www.gametrailers.com/video/part-v-the-castlevania/705743
edit: added part V