Expect sparks to fly on Saturday evening as Borussia Dortmund host fierce local rivals FC Schalke 04 in the 89th edition of the Revierderby in Bundesliga history (kick-off 18:30CEST/16:30GMT).
The Revierderby explained
But what exactly is the derby all about? Why does it matter and who holds the upper hand overall? Allow bundesliga.com to fill in the blanks..
Discover the background to one of the biggest derbies in German, European and world football. Only 32 kilometres separate the two clubs, both situated in the country's industrial heartland, the Ruhr district. The fixture is one of the most passionately contested encounters anywhere in the world game and means more to each set of fans than any other meeting on the football calendar.
Watch: Recap the sides' 2-2 draw in their last Bundesliga meeting back in April:
The mother of all derbies
A game like no other, witnessing the Revierderby in the flesh is an experience you are likely to never forget. From the passion of the famous Yellow Wall to the thundering tackles on the pitch, it has to be seen to be believed.
Watch: What is Dortmund's Yellow Wall?
Inside story: a player's perspective
Only relatively few players have had the privilege of playing in a Revierderby, but Dortmund striker Pierre-Emerick Aubameyang is a seasoned campaigner now, having joined BVB in summer 2013. Speaking in an exclusive interview with bundesliga.com, the Gabon international said: "We all know how important this derby is for BVB and the fans, and we also know that it's going to be a huge match. I'm sure we'll play a good game. We're all looking forward to it and we're ready."