Irrational and 2K have just released the first five minutes of gameplay for the first episode of Bioshock Infinite: Burial at Sea, the DLC that'll take players back to place where at all started, Rapture. We've been asked to warn you that there's a couple of minor story spoilers included in the footage, so if you don't want to know anything about the plot, don't watch. There's also a couple of new screens, which can be seen below, and details regarding achievements/trophies for the DLC were also recently released (head this way for more info).