Rick isn't wearing his wedding ring anymore.
Andrew Lincoln and Norman Reedus took inspiration from Butch Cassidy and the Sundance Kid (1969) when filming this episode.
Carl (Chandler Riggs) is seen reading an "Invincible" comic. Invincible is another comic series by the The Walking Dead (2010) creator, Robert Kirkman. "Invincible" went on to become a 2021 animated TV show, in which the main character, Mark, was voiced by actor Steven Yeun, who plays Glenn Rhee.
In the uncut Blu-Ray version of this episode, at 18:52, in reference to bringing Jesus into Alexandria, Rick says "No, fuck this guy." This marks the third time The Walking Dead has used the F-Word in any version of an episode.