We'll only know 다음 episode. But, at the end of episode 4 (Morgan's episode) 당신 can here Rick yelling 'OPEN THE GATE!', so he's probably fine. But there's still the mega-herd coming.
The visionary geniuses behind this, the BEST show on any network, 사랑 to mess with continuity so 더 많이 than likely we'll see what happened to Rick in an episode 또는 two, down the road. They may not even air that episode until 2016 cuz there's only two episodes left this 년 :-(