thumbnail_spoiler-the-walking-dead-episode-701-greg-nicotero-1200x707-making-ofBlood, sweat and tears went into the Season 7 Premiere.

“We’ve dealt with the horrible stuff before, but that …yeah… that was rough,” Steven Yeun (Glenn) says.

Executive Producer and Director Greg Nicotero agrees: “It’s not fun doing the read-through and seeing all these characters get on their knees and they start weeping. Trying to imagine what they are pulling from their vault to get them to that place? It’s horrific.”

Hear what else went through the heads of the cast and creators as they were filming the shocking events of the Season 7 Premiere. Plus, learn why the final “dinner table” fantasy sequence was so therapeutic for the cast. Click here to watch the making of the episode.

The Walking Dead airs Sundays at 9/8c on AMC.