I just watched the second episode, and was quite disappointed in it.
So many things didn't make sense. Like the magically exploding fence, the ax-hacking without blood splatter, and the fucking nonsensical characters.
Also, rain would heighten the scent of the dead zombies. More likely to make them stink more, less likely to wash away. The only thing my friends and I could think of as a possible reason for the disguise failing, is that the guys BO was awful and heightened by hot air and sweat. still, nothing can cover stink like death.
I loved the first episode, I can't believe the second one was so shitty.