Surprise! The 50th starts NOW! The Night Of The Doctor on iPlayer in less than an hour. Speak to no one till you've see it! RUN!The news follows an update to the BBC iPlayer page for the special last night, which incorrectly said the minisode would be broadcast on BBC One. A link to the page where the minisode will be made available in the UK can be found here.
— Doctor Who Official (@bbcdoctorwho) November 14, 2013
It is currently unknown how the minisode will be available overseas. Despite the minisode being labelled as an "iPlayer exclusive", overseas fans should expect the minisode to become available on streaming sites such as YouTube.