BBC Worldwide Australia & New Zealand and Vivid Sydney are presenting a 50th Anniversary celebration in Australia for tonight only!
From 6.50pm onwards (local time), you can witness a free spectacle of light and sound at Customs House Sydney as the Doctor and his TARDIS travel through space and time encountering some of his deadliest enemies.
If you dress up in your favourite monster or character, you can also enter their competition.
The projection lasts for about 10-15 minutes, and starts at: 6.50pm, 7.50pm, 8.50pm, 9.50, 10.50pm and 11.50pm. The cost to see it is absolutely nothing.
You can see their rehearsal video of the spectacular projection in HD below.