At the end of the last broadcast episode of DOCTOR WHO, Dorium (the big blue guy) has the last words, the words that seem to set up what the next season's story arc will encompass.
"The first question! The question that must never be answered! Hidden in plain sight! The question you've been running from all your life! 'Doctor Who.' 'Doctor Who.' 'Doctor Who!'"
Perhaps it may be the 50th anniversary theme; the "first" question, from the series premiere on November 23, 1963.
VG934 has constructed an fan-short that is a lot of fun. The BBC should grab this and air it:
Related: Waris Hussein, the director of the first DOCTOR WHO episode "An Unearthly Child," will give a chat at New York's Paley Center April 10, 2012.