It’s time to shine a light on the darkest timeline once again (or… once and for all?). In Community‘s season finale (or… series finale?), which airs Thursday at 8 p.m. on NBC, the study group faces down their evil alter egos. Plus, Jeff (or… Joel McHale?) is thinking about graduating now that he has earned enough credits. Press play for your first look at “Introduction to Finality,” which offers up a paintball nod, the return of a villain, and more (or… much more?).