For years editors have been painstakingly colourising black and white classics into more vibrant versions of themselves, here’s our list of the very best.

To make sure you are ready to re-watch the fourth season, we’ve created a super quick summary of where we were left at the end of the climactic finale of season three.

In order to prepare you for the inevitable binge watching before Season Six, we’ve created a lighting fast catchup of where Season Four left us in its finale ‘We Are The Flash’ .