After a thorough analysis of Sonic's profile, Robotnik builds his ultimate evil robot, "The Pseudo-Sonic"! Meanwhile, Sonic, out picking flowers for Sally, comes in contact with some poison sumac and blows up like a balloon! And while in an invalid state The Pseudo-Sonic discovers Knothole and is about to reveal its location to the gleefully awaiting Doctor Robotnik!
Synopsis: While looking for a birthday present for Sally, Sonic comes upon a Mobian Needlebird with a broken wing. Wanting to give it as a present, Sally reminds him of other animals the freedom fighters have brought back! Meanwhile the Needlebird, dubbed Thorny, has become quite a nuisance, eating Sally's birthday cake. But as Sally goes off to replace the cake while Sonic returns Thorny to the Great Forest, Sally is caught by a mechanical tree!