Andrew Lincoln said that he felt emotional during his speech about his grandfather because he felt like he could somewhat relate to his character.
Norman Reedus was really eating a worm but animal rights activists who were present on set made him spit it out
The episode opens in the same way as episode 4 of the same season, Slabtown (2014), only with Maggie instead of Beth, possibly indicating a belittled feeling for the respective character for different reasons.