The creaky watchtower was glimpsed at several points during Heads Up, but it was still a shocking moment to see the tower come crashing down here. As the tower came tumbling down, it also took out part of the walls of Alexandria, meaning that next weeks mid-season finale will see hordes of the undead descend upon the apparent safe haven. Then theres the fact that Rick and Maggie now know that Glenn is out there, although any rescue plans may have to be put on hold for now. The early word is that next weeks episode is set to be a huge one, so expect fireworks and plenty more WTF moments to come. Agree with Heads Ups WTF moments? Think that some were missed? Take to the comments section to make your voice heard.