The episode speculates on which character will be introduced in the post-credits scene of the upcoming Sonic the Hedgehog 3 movie. Several popular characters from the video game franchise are considered, including villains like Metal Sonic and Chaos, and heroes such as Amy Rose and Silver the Hedgehog. The choices are evaluated based on their prominence in the games and their potential to create exciting storylines for a fourth film. The author explores various possibilities, highlighting the connections between potential characters and existing plotlines. This anticipation is fueled by previous movies' use of post-credit scenes to introduce new characters like Tails and Shadow.