Here are the newly released trailers and information of the TV series to be aired this spring and summer.

Fate/Zero 2nd Season
To be aired from April 7th.
Trailer

Medaka Box
To be aired from April 4th.
Official website
Trailer (Youtube)

Tsuritama
To be aired from April 12th.
Official website
Trailer (Youtube)

Sakamichi no Apollon
To be aired from April 12th.
Official website
Trailer (Youtube)

Kyoukai Senjou no Horizon II
To be aired from July.
Key art of the second season
Trailer (Youtube)

Sword Art Online
To be aired from July.
Official website
Trailer

Muv-Luv Alternative: Total Eclipse
To be aired from July.
Official website
Trailer

Jinrui wa Suitai Shimashita
To be aired from July.
Official website
Trailer (audio on, mp4)

Koi to Senkyo to Chocolate
To be aired from July.
Official website
Trailer (Youtube)

Binbougami ga!
To be aired from July.
Official website

Staff
Director: Fujita Yoichi
Series Composition: Shimoyama Kento ("Bleach")
Character Design: Tanabe Kenji (episode animation director of "Zettai Karen Children")
Production Studio: Sunrise

Shinsekai yori
Airing date not announced.
Trailer