Released as a return to classic 2D gameplay, it serves as a direct sequel to Sonic & Knuckles .
: The game includes four zones—Splash Hill, Casino Street, Lost Labyrinth, and Mad Gear—each ending with a boss fight against Eggman. Sonicв…theв…Hedgehog Episode 1
Because "Sonic the Hedgehog Episode 1" can refer to several different parts of the franchise, here is the best content for the three most likely interpretations: Released as a return to classic 2D gameplay,
: The premiere of the sixth season focused on the latest franchise news and community interactions. Sonicв…theв…Hedgehog Episode 1