* Fudge's mischief intensifies: The story begins with Fudge's destructive tendencies, but they escalate quickly. He destroys Peter's belongings, throws food, and engages in embarrassing public displays.
* Peter's frustration builds: Peter, initially annoyed by Fudge, becomes increasingly frustrated and desperate to keep his little brother in check. His attempts to control Fudge often backfire, adding to his stress and anxiety.
* The turtle, D.W., and the lost dog: Each of these events adds to Peter's growing frustrations. He fears his turtle getting flushed down the toilet, blames D.W. for various misfortunes, and experiences the anxiety of losing the family dog.
* Peter's attempts to get rid of Fudge: As the pressure mounts, Peter tries various desperate measures to get rid of Fudge, including attempting to send him away with a traveling circus. This highlights his desperation and the increasingly strained relationship with his brother.
* The "Nothing" incident: The climax of the rising action comes when Peter accidentally leaves Fudge alone in the bathtub. This event, though seemingly minor, causes a significant shift in Peter's attitude. He finally realizes that Fudge, despite his misbehavior, is still his brother and he loves him.
The rising action culminates in Peter's epiphany, leading to the falling action and the resolution of the story. It's through this journey of frustration, desperation, and finally acceptance that Peter learns valuable lessons about responsibility and the importance of family.