I really liked the episode. I went back and watched season one and some of season 2 and I've found a lot of inaccuracies. Most of which have been stated before, but wasn't answered until later. ie, dead people in cars that stayed dead.
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I thought this was cool. I was watching the second season and when Daryl gets the meds from his motorcycle for T-Dawg, he says it was Merle's stash....had blue crystal meth in it.
Googled it was definitely a reference to Breaking Bad