Some cruise lines take movie night to a whole new level. Picture stretching out on a lounge chair by the pool with a cozy blanket and some fresh-popped popcorn (and maybe a complimentary cocktail or two), or seeing blockbusters in 3-D at an actual IMAX theater. And thanks to partnerships between the lines and major studios, you'll also get to see new releases that just hit the theaters back home. Here are our picks for the coolest ways to catch a flick at sea.