Just to be clear: come by at 12:01am BST (London), 11:01pm GMT, 7:01pm EDT, 6:01pm CDT, 4:01pm PDT, 9:01am in Sydney, 8:01pm BRT (Sao Paulo), 8:01am JST (Tokyo), 12:01pm NZST (Antartica)
Wherever you are, whatever time it will be, come by. We have an image to share.
If this is a spoiler River Song would not be very happy
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