The Divide
I liked it but it was really over the top, especially Josh and Bobby's ridiculous behavior. I enjoyed that it became more about the cabin fever then the apocalypse going on outside but honestly in reality i don't think things would get that insane.
A few more thoughts...
SPOILERS
I didn't like that Eva sacrificed Mickey to get away. Sam i understand, he was a coward and an idiot. But Mickey's worst crime was holding out food on them and considering they were all a bunch of lunatics i understand that. Mickey trusted Eva telling her where the gun was and even how to get out. Sure he could've been doing that for his own safety but still he wasnt a bad guy. He was a sad tortured man who lost his wife and daughter in 9-11 (I'm speculating since it wasn't outright said) and there was no real need to let him die. I get that her trust was pretty well shot by that point but Mickey was the only one i liked.
That final shot was really harrowing. She gets through all that only to discover that the world is gone and there's nowhere to go.
END OF SPOILERS