OMG YES! FIRST TRUE TRAILER!!
GameTrailers TV Episode 208
Gametrailers TV has announced that their Friday, April 10th episode (Episode 208) will contain "the first ever gameplay footage of Bioshock 2," including footage of the Big Sister in action. The episode will air at 12:30 in the morning on Spike TV.
http://bioshock.wikia.com/wiki/BioShock_2:_Sea_of_Dreams#GameTrailers_ TV_Episode_208
http://www.youtube.com/watch?v=JPcuwZlJShE
RYAN STARTED THE FIRE