Fifty head of cattle make a lot of noise.
Herchel talking about stocking up supplies for a couple of days if needed.
Good Lord man, you live on a farm, I don't know any farmer that doesn't have a larder with enough for at least a month.
Daryl makes the statement he wishes he knew where his gun went. So I don't think we will see the 'where the f*** is my gun moment we were thinking about".
Zombie Randall got the jump on Daryl, but Glenn saves the day. Why didn't Glenn give it a skull bash while it was attacking Daryl? Instead he goes hand to hand with it, not even a full day after his friend was ripped open by one.
Zombie hoard zeroing on Carl's shot, but not thunder. I think the gun going off might have been slightly muffled with the press of bodies there. Whereas Carl's shot rang out true with no real sound barriers. That is why they went from aware to zeroing in on. Yeah a stretch but plausible. Course you could reach back to your 'Red Dawn' lore. Legend has it if you fired twice they knew where you were. Remember the hunting scene.
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Other series thoughts.
Why hasn't the Rolling Death Wagon (aka the RV)gotten a few Mad Max mods yet? Think about it, it's the one vehicle large enough to fit everyone in during an emergency. Why not fortify it a bit?
Heck a slide bar on the door, they use it as a guard look out, why not expand the bathroom vent to climb in and out of it quickly so you don't have to go outside and around back to go up the ladder.
Than you could park it under a 2nd story window for an escape out.
Who lives and dies:
I think Maggie and Glenn are surviving. Her and Glenn have plot immunity right now for their character development.
Daryl lives because honestly people like him. I'd say he's good at least for 3 more episodes.

Rick lives. Cause he is Rick.
Carl lives. Troubled but living forced to grow up fast.
Lori lives. If nothing more than her pregnancy can cause some drama in itself. I think she dies in 7th month.
Carol survives finale, but not sure about off season.
T-Dog, either he survives with two lines next week or he goes out in a blaze of glory holding them off so all the others can escape.
Herschel survives but broken. He loses his farm and the blond daughter.
Blond Daughter is pulled through broken window/door. Maggie forced to shot her.
B.D.'s boyfriend, looks to survive but is taken out by suprise as the group thinks its safe again.