: The episode ends with a chilling shot of blood trickling down the inside of the Alexandria wall, hinting at a structural failure.
: Convinced Glenn is still alive, Maggie sets out to find him through the sewers with Aaron. They encounter "sewer walkers" and eventually realize they cannot safely make it past the herd outside the walls. Maggie reveals to Aaron that she is pregnant.
: Maggie and Aaron's attempt to bypass the herd provides the episode's primary action.
This episode focuses on the immediate aftermath of the Wolves' attack on Alexandria and the realization that a massive herd of walkers is surrounding the community.
The request "[S6E5] Now" most likely refers to the episode of The Walking Dead , titled " Now ," which originally aired on November 8, 2015. The Walking Dead S6E5: "Now" Episode Summary
: Maggie confirms she is expecting Glenn's child, explaining her desperation to find him.