The 'Brainiac' finale—Superman versus Brainiac with everything at stake! No longer content to simply eradicate Superman, Brainiac is determined to destroy Earth like so many other planets he's left in his wake. But Brainiac's ship is full of bottles, inside of which some surprise guest-stars lurk! And while hope may blossom on Brainiac's ship, there's one life even the Man of Steel can't save.