From ComingSoon.net ...

It's a Wonderful Day for a New Castlevania Season 4 Trailer From Netflix
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Alucard, Belmont, and the rest of the clan are sharpening their blades
and preparing to return in the fourth season of Castlevania. This
adaption of the classic Konami video game series has received high
marks from old school fans and newcomers alike, and it will wrap up its
run with this final season on May 13. As depicted in the trailer, the
fourth and final season of Castlevania depicts our heroes resuming
their quest against Isaac and his followers. The show revels in the
same action and bloodshed that the fans of the source material know and
love.

Check out the Castlevania season 4 trailer below:

Trailer: (2mins 26secs)
<https://youtu.be/L7iWXfZzEMc>

Originally conceived as a single film, this adaption recreates plot
points from both Castlevania III: Dracula's Curse and Castlevania:
Curse of Darkness. However, it isn't a direct adaption of the plot of
the games. This had led to some interesting moments for those who
remember the games and for those only familiar with the more notable
entries in the series like Symphony of the Night.

Following the end of Castlevania, showrunner Adi Shankar is moving on
to a similar adaption in Devil May Cry. He's also been attached to
Ubisoft's TV adaption of Assassin's Creed, and he promises fans that
he'll try to connect all of his video game works into some sort of
"Bootleg Multiverse." With the success of this and Netflix's recent
series based on DOTA, there's sure to be plenty of opportunities for
new entries in that endeavor.

<https://www.comingsoon.net/tv/news/1171598-new-castlevania-season-4-trailer-netflix>