“Line of Succession Part 1 (of 2)”: The biggest shake-up in Sonic history starts here! A mysterious illness has attacked Knothole and not even Sonic is fast enough to stop it. But is the illness real? Have the people been poisoned by one of their own, or worse, deceived? The mind-boggling events may even lead to Sonic losing Sally forever! “See Ya’ Later, Chao!”: Video game players familiar with Chao Land know that the magical Chao entities draw a lot of attention to themselves. When they invade Knothole, the attention they draw is that of Robotnik — and that’s never a good thing for Knothole!