The teeth on the wolf who's held captive by Morgan go from Hollywood white to end- of-the- world gross in alternating scenes. (towards the end).
When Carol tells Morgan that she will kill him to kill the prisoner, the knife in her hand wobbles back and forth, revealing it to be made out of rubber.
Rick suddenly remembers the walker-gut camouflage trick he had used in the early days of the zombie apocalypse. However, he still can't remember the significant experiences with walkers that surrounded the use of the guts at the time. - That he saw that some walkers were smart and agile enough to do things such as use rocks to break glass or climb high fences.
Rick doesn't need to endanger the others by taking them through the horde. They could have simply gone out the back of the house and climbed the wall right behind (like Carl had been doing). Any walker stragglers on the outside could be dealt with by Michonne.