Links with trailers/pilots/pics of known upcoming stuff:

CN:
Summer Camp Island
https://www.youtube.com/watch?v=gMwzE0U_bU0
https://www.youtube.com/watch?v=M-X6SEDtQ1M

Apple & Onion
https://www.youtube.com/watch?v=gsnxNdRFYLk

The Heroic Quest of the Valiant Prince Ivandoe
https://www.dailymotion.com/video/x5zw4t7

Craig of the Creek (just a picture)
http://cartoonnetwork.wikia.com/wiki/Craig_of_the_Creek?file=Craig_of_the_Creek_image.jpeg

Unikitty (gif)
http://unikitty.wikia.com/wiki/Unikitty!?file=LEGO_Unikitty_Promo.gif


AS:
The Jellies
https://www.youtube.com/watch?v=s57_NhinFeY

Hot Streets
http://www.dailymotion.com/video/x5h0v5h


Nick:
Rise of the Teenage Mutant Ninja Turtles - nothing so far

Pinky Malinky:
https://www.youtube.com/watch?v=xjTAhSrTrIw
https://www.youtube.com/watch?v=XKaHSYeONJo

Glitch Techs
http://www.animationmagazine.net/wordpress/wp-content/uploads/glitch-techs-post.jpg


Disney XD:
Big Hero 6
https://www.youtube.com/watch?v=fp-R-mmuJtw

Big City Greens:
https://www.youtube.com/watch?v=vZg-k6RndKE