With the premier of Series 5 of Doctor Who, you might feel a little confused over time travel in movies and TV shows. Fear not! The wonderful website Information is Beautiful has you covered:
Click to see the whole wonderful thing; a timeline of time travel from quite a few scifi stories. Now what we need is for this to be open-source so we can add in others. But then again, adding in the good Doctor's travels would mean turning this lovely graphic into a solid red rectangle.
