Yet, the TARDIS isn't the only machine that can soar through the time vortex. In the 2005 reboot, the writers introduced the Vortex Manipulator, a smaller and more portable way to time travel.

Whether it's on or off-screen, some Doctor Who companions' best stories happen after they decide to depart the TARDIS and say ...

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

For the first time, the Doctor identifies the realm through which the TARDIS travels as being the ‘vortex’, a term that would be regularly used throughout the rest of the series. It’s also ...