The episode begins with Bart Simpson feeling neglected and unappreciated by his family, particularly after a series of events where he feels overshadowed by his sister Lisa and his father Homer. In a moment of frustration, Bart decides to run away from home. He heads to the local mall, where he meets a group of kids who are also looking for a place to belong. They invite him to join their gang, which is led by a boy named "The Leader."

As Bart becomes more involved with this new group, he starts to adopt their rebellious behavior, which includes vandalism and petty theft. Meanwhile, Marge and Homer are worried about Bart's behavior and enlist the help of Principal Skinner to keep an eye on him. Skinner, however, is preoccupied with his own issues, particularly his ongoing rivalry with Superintendent Chalmers.

In a twist, Bart's new gang decides to pull off a major prank at the school, which involves a fake fire drill. They plan to create chaos and disrupt the school day. Bart, initially excited about the plan, begins to have second thoughts as he realizes the potential consequences of their actions. He feels torn between his loyalty to the gang and his desire to do the right thing.

As the day of the prank arrives, Bart's internal conflict deepens. He ultimately decides to warn Principal Skinner about the gang's plan, hoping to prevent any harm. However, when he tries to inform Skinner, he is caught by the gang, who threaten him for betraying them. Bart is faced with a difficult choice: stand up to the gang or risk losing his newfound friends.

In a climactic confrontation, Bart chooses to confront the gang, asserting that their actions are wrong. This leads to a physical altercation where Bart fights back against the gang members. The scene is intense, with Bart using his wits and agility to evade their attacks. He manages to escape and rushes to the school to alert the authorities.

At the school, chaos ensues as the prank unfolds. Students are running around, and the fire alarm blares. Bart arrives just in time to help Principal Skinner regain control of the situation. Together, they manage to calm the students and prevent any serious damage.

In the aftermath, Bart reflects on his experiences and the importance of family and friendship. He reconciles with his parents, who express their love and support for him. The episode concludes with Bart feeling a renewed sense of belonging, not just with his family but also with the understanding that true friends accept you for who you are, not for the trouble you can cause.

In the ending of "The Debarted," Bart is revealed to be a double agent, working for both the school and the mob. After a series of events, he ultimately decides to side with his family and friends. The episode concludes with Bart's clever manipulation of the situation, leading to the downfall of the mobsters and a return to normalcy for the Simpson family.

As the episode nears its conclusion, the tension escalates. Bart, who has been caught in a web of deception, finds himself at a crossroads. He has been playing both sides, acting as a spy for Principal Skinner while simultaneously being involved with the mobsters led by Fat Tony. The stakes are high, and Bart's internal conflict is palpable; he grapples with loyalty to his family versus the thrill of his new life.

In the final scenes, Bart's true allegiance is put to the test. He cleverly orchestrates a plan to expose the mobsters, using the information he has gathered to turn the tables on them. The scene is filled with suspense as Bart navigates the dangerous waters of mob life, all while trying to protect his loved ones. The animation captures Bart's expressions of determination and fear, showcasing his growth throughout the episode.

As the climax unfolds, Bart's actions lead to a confrontation between the mob and the authorities. The police, tipped off by Bart, arrive just in time to apprehend Fat Tony and his crew. The chaos of the scene is heightened by the frantic movements of the characters, the sirens blaring, and the sense of impending justice. Bart stands at the center of it all, a mix of relief and pride washing over him as he realizes he has outsmarted the mob.

In the aftermath, the Simpson family gathers together, relieved and grateful for Bart's bravery. Marge expresses her pride in Bart, while Homer, though initially skeptical, acknowledges his son's cleverness. Bart's decision to ultimately side with his family reinforces the theme of loyalty and the importance of family ties. The episode closes with a sense of resolution, as the Simpson household returns to its usual chaos, but now with a deeper bond forged through the trials they faced together.

In summary, Bart's fate is one of redemption; he emerges as a hero in his family's eyes, having navigated a dangerous situation with cunning and bravery. The mobsters are apprehended, restoring peace to Springfield, while the Simpson family is left to reflect on the adventure, united and stronger than before.

In the episode "The Debarted" from Season 19 of The Simpsons, there is no post-credit scene. The episode concludes without any additional content after the credits roll. The story wraps up with the main plot points resolved, focusing on the events leading to Bart's undercover operation and the interactions with the mob, but it does not include any extra scenes or jokes after the credits.

Throughout 'The Debarted', Bart's behavior shifts from being mischievous and rebellious to more cautious and strategic. After being influenced by the idea of a mole, he becomes more aware of his surroundings and starts to act more discreetly, showcasing a blend of his typical antics with a newfound sense of self-preservation.

In 'The Debarted', Principal Skinner is portrayed as a key figure in the story, as he becomes increasingly paranoid about the safety of the school and the students. His character is driven by a desire to maintain order and protect the children, leading him to take drastic measures to uncover a supposed mole within the school.

The character known as 'The Mole' serves as a catalyst for the events in 'The Debarted'. This character is suspected to be a traitor within the school, which heightens the tension and paranoia among the students and staff. The identity of 'The Mole' drives the plot forward and leads to various comedic misunderstandings.

Lisa plays a crucial role in 'The Debarted' as she attempts to navigate the chaos caused by the paranoia surrounding the mole. Her intelligence and moral compass often contrast with Bart's antics, and she tries to reason with him and the other students, showcasing her character's growth and her desire for justice.

The episode employs various comedic elements to depict the school environment, including exaggerated reactions from the faculty, absurd scenarios involving the students' paranoia, and humorous dialogue that highlights the absurdity of the situation. These elements create a satirical take on the concept of betrayal and trust within a school setting.

In "The Debarted," there are several elements that may be considered objectionable or upsetting for children or sensitive viewers:

1. Violence and Threats: The episode features scenes involving gang activity and threats of violence, which may be unsettling for younger audiences.

2. Death and Betrayal: Themes of betrayal and the implications of death are present, as the plot revolves around a character's secret life and the consequences of their actions.

3. Mature Humor: The episode includes humor that may not be suitable for all ages, including references to crime and adult situations.

4. Emotional Conflict: Characters experience feelings of betrayal, fear, and anxiety, which may resonate deeply and be distressing for some viewers.

5. Parody of Serious Themes: The episode parodies crime dramas, which may include darker themes that could be confusing or inappropriate for younger viewers.

These elements contribute to a tone that may not be entirely family-friendly, depending on the sensitivity of the audience.