It means Patrick Stewart will be showing up in a future episode.
It would be really cool if Patrick Stewart showed up as Picard, in the Enterprise from the future, and beamed down a cure to Rick.
143 posted on 10/13/2014 9:44:03 AM PDT by Lazamataz
(First we beat the Soviet Union. Then we became them. We have no 'news media', only a Soviet Pravda.)