There are a bunch of unofficial ways the actors celebrate the end of a season, with the most recent finale involving the assembled cast clamouring around their smartphones to take selfies. Over the five seasons The Walking Dead production has developed some more official traditions to see off cast members that get killed off, however. On their last day of filming presumably before the characteristically violent death scene an actors gets to have a big Last Supper meal of their choice with the assembled cast and crew to see them off. Which is rather sweet. Morbid, but sweet. And considering how often the show kills people off seriously, it's like they're in a competition with Game Of Thrones or something they must rack up quite the catering bill...