The year may be drawing to close - but what a year it's been for the Black Cats!
There have been some highs and some lows - but what can you remember from the matches, managers and mighty victories of 2015?
We've put together some testing quiz questions to try even the most dedicated of fans - but do you think you can pass them?
You have 20 questions to prove how much of a die-hard you are. Try to remember the goal-scorers, the changes and the FA Cup ties.
Test your knowledge as the Black Cats and Big Sam prepare for the final fixture of the year, home to Liverpool at the Stadium of Light, on Wednesday.