In November BBC Entertainment will airing the anticipated Doctor Who 50th anniversary episode as part of a global celebratory event so we'll get to see it with the world.
The special episode's called The Day of the Doctor and will be broadcast around the globe on 23 November. The time still has to be confirmed - we'll keep you posted.
The special stars recent doctors David Tennant (the tenth doctor) and Matt Smith (doctor #11) and also features Billie Piper and Jenna Coleman in their role as companions.
In addition to the TV broadcast it's going to be surrounded by various other worldwide shenanigans including a gathering of fans in London and cinema screenings of the epsiode. The special will also be broadcast in 3D for viewers who have 3D TV's.
Here's a cool 3D trailer followed by a 2D imagined teaser, both created by Whovians: