MIDSEASON RETURN: When last we saw our harried heroes on this show, they had just lathered themselves with zombie guts, and were walking, hand in hand, through a horde of the undead, using the old humans-in-zombie-intestines trick. Will it work again? And even if it does, what comes next? And where do they go next? For a full review, see David Hinckley's All Along the Watchtower.