In 68 AD, Nero's reign ended not with a bang but with a whimper, and the Praetorian Guard held the knife. This episode dives into the pivotal role of the Praetorians in Nero's downfall, exploring their history, their corruption under Nero, and how a single prefect, Nymphidius Sabinus, betrayed him for gold. We trace the Guard's arc from Augustus's elite protectors to kingmakers who auctioned the empire, with Nero as their greatest casualty. The episode examines the Praetorian camp, the Castra Praetoria, and the fateful night when the Guard abandoned Nero, forcing him to flee and ultimately die by his own hand. We also look at the aftermath: how Galba's refusal to pay the promised donative sealed his own fate, setting a bloody precedent for the Year of the Four Emperors. Specific names include Nymphidius Sabinus, Tigellinus, Galba, and the Praetorian prefects who shaped Nero's fall. This is a story of loyalty bought and sold, and the power of an armed force that realized it could make or break an emperor.