The main four go back in time to prevent Quack Quack from getting addicted to yogurt.
"Let's Play Return to the Super Future" contains the following tropes:
- Bolt of Divine Retribution: When Quack Quack leaves Smileyland, Mr. Cat decides to attack Stumpy instead. The moment he pulls out a chainsaw, he gets struck by lightning. Stumpy joyfully exclaims "God exists!" and then he is also struck by lightning and changes his mind.
- Multi-Part Episode: This episode and the one after it together make up one Time Travel Episode. The two episodes are the first multi-part episode in the series.
- Set Right What Once Went Wrong: Kaeloo, Stumpy and Mr. Cat go back in time to the series pilot to prevent Quack Quack from ever getting addicted to yogurt. Unfortunately, Stumpy ignores a warning from Mr. Cat not to mess with the past, and he tells his past self everything about the future. When the gang return to the present, they find out that Stumpy is now the king of Smileyland.
- Time Travel Episode
- Trapped in the Past: Happens to Mr. Cat at the end of the episode. The rest of the main four travel back in time again to rescue him in part two.
