When Season 6 was announced by AMC, the producers of The Walking Dead (2010) claimed that they had ideas and developed a few of them ready for the show to make it to Season 12.
This is the first appearance of Scott (Kenric Green). In real life Kenric is married to Sonequa Martin-Green (Sasha).
Greg Nicotero has stated that this episode had the most walker extras they've ever done. But in fact, the episode "No Way Out" has got the most by now.
Starts the "No Way Out" story arc from the books. Morgan even has a piece of dialogue that contains the exact words, as a nod to the books.
The first episode of the series that has scenes in black and white