If you are using an iPhone or iPad, your screen will Auto-Lock after a set amount of time while playing the ... to navigate the TARDIS through the vortex. On desktop you can use a mouse.

But the Fourth Doctor's intro still feels special and continues ... The visual of the TARDIS. The look of the time vortex. Tom Baker's scary face appearing. And of course, the iconic diamond ...

Amy Pond and the Eleventh Doctor are on a spaceship on Kaydon 36 when the Time Vortex rips through space. The Eleventh Doctor reaches the TARDIS in time, but Amy is left on the ship and has to run ...