This one looks like a spin on Roswell.. another CW show.. they have four sci if types show this fall/mid season. The Tomorrow People (which looked awesome, see the thread I made), The 100 (Not sure about this one, also created a thread for it), The Originals which is a spin off of Vampire Diaries. And then this one called Star Crossed
Star-Crossed Clip (http://www.youtube.com/watch?v=iZ-aYWzsmuI#ws)