Ch. 661Master Emerald
Dr. Egghead stole the Master Emerald and announced his plan to wipe out humanity and build a Mechanical Empire. Sonic and the others joined forces to stop him, while Dr. Egghead appeared on the Japanese battlefield and revealed his intentions to the world.
- Tony, Cyborg, Zatanna, and Raven fought Dr. Egghead, who threatened to blow up the base where Flash was trapped and forced Tony and Cyborg to rescue him.
- Sonic used the First Thorn to disable the Chip Bombs, then merged the Second Thorn into the Master Emerald before Dr. Egghead seized it and teleported away.
- Andrew arranged for Dr. Egghead to escape with the Master Emerald, and Sonic persuaded Tails and Knuckles to help him take it back.
- Tony and Cyborg returned with Flash, and Andrew directed the group to Dr. Egghead’s location on the battlefield in Japan.
- Dr. Egghead appeared beside Starro and declared on Andrew’s broadcast that he would eradicate humanity and turn Earth into a Mechanical Empire.