Every Sonic Crossover and Sonic's Events EVER

Every Sonic Crossover and Sonic's Events EVER
0:00 The Early Years of Sonic Collaborations
2:16 Sega Superstars and the Mid-2000s Era
5:53 Unexpected Crossovers of the Early 2010s
9:26 Sonic's Modern Crossover Evolution
14:12 The Busy 2021 Collaboration Cal...