Status Updates From Sonic Quest: The Death Egg ...

Part 3: Tails rigs the Death Egg to explode, and Sonic manages to defeat Robotnik. They escape before the dirigible explodes, and Sonic manages to grab some rings Robotnik took from the Lake of Rings.

Part 2: Robotnik sends his creation, Silver Sonic, to finish of Sonic and Tails. Sonic short circuits it, but Robotnik comes back in his Eggs-O-Skeleton to finish the job.

Part 1: Third entry of the Death Egg saga. Sonic sneaks into the Death Egg and finds Tails. They manage to stop the Death Egg from trying to sink Angel Island, and the dirigible is propelled into space.