The episode begins with Bart Simpson in school, where he is bored and distracted. He is doodling in his notebook when he accidentally causes a ruckus, leading to a confrontation with Mrs. Krabappel. She reprimands him, and Bart feels frustrated with the mundane school environment. After school, Bart and his friends are outside when they come across a group of birds. Bart, feeling mischievous, decides to throw rocks at them, but he accidentally hits a mother bird, causing it to fall from its nest.

Feeling guilty about the injured bird, Bart decides to take responsibility. He finds the nest and discovers that there are three baby birds inside, now orphaned. Bart's initial reaction is one of panic, but he quickly resolves to care for the chicks. He takes them home, hiding them in his room, and begins to feed them with a dropper, using milk and other food items. Bart feels a sense of pride and responsibility as he nurtures the baby birds, naming them after his favorite comic book characters.

Meanwhile, Marge becomes suspicious of Bart's secretive behavior. She notices him sneaking food and hears chirping sounds coming from his room. When she confronts him, Bart lies and tells her he is just taking care of a school project. Marge, wanting to support her son, reluctantly accepts his explanation but remains concerned about what he is hiding.

As the days pass, Bart becomes increasingly attached to the baby birds. He enjoys their company and feels a sense of purpose in caring for them. However, he also faces challenges, such as keeping them hidden from his family and ensuring they are fed properly. Bart's friends, including Milhouse, are intrigued by the birds and encourage him to show them off. Bart, feeling proud, eventually reveals the birds to them, and they all marvel at the little creatures.

The plot takes a turn when Bart learns that the baby birds are actually a type of endangered species. This revelation comes from a nature documentary he watches with Lisa. Bart feels a mix of excitement and anxiety, realizing that he is now responsible for protecting these rare birds. He becomes determined to ensure their safety and well-being, but he also grapples with the reality of what will happen when they grow up and are ready to leave the nest.

As the baby birds grow, Bart faces the dilemma of what to do next. He knows that they will eventually need to be released into the wild, but he struggles with the idea of letting them go. Bart's emotional attachment to the birds deepens, and he begins to imagine a life where they could stay with him forever. However, he also understands that keeping them would not be in their best interest.

The climax of the episode occurs when Bart's secret is discovered by Marge. She finds the birds in his room and is initially shocked and upset. Bart pleads with her to understand how much he cares for them and how he has taken on the responsibility of caring for them. Marge, seeing Bart's genuine love for the birds, softens but insists that they cannot keep them forever. She explains the importance of letting them go and returning them to their natural habitat.

In a heartfelt moment, Bart realizes that he must do what is best for the birds. He gathers his friends and family for a release ceremony in the backyard. Bart prepares to let the birds fly free, feeling a mix of sadness and pride. As he opens the box containing the birds, they take flight, soaring into the sky. Bart watches them go, feeling a sense of loss but also fulfillment in having done the right thing.

The episode concludes with Bart reflecting on his experience. He feels a bittersweet sense of accomplishment, knowing that he cared for the birds and helped them return to their home. The final scene shows Bart looking up at the sky, a smile on his face as he remembers the time he spent with the baby birds, embracing the lessons learned from the experience.

In the ending of "Bart the Mother," Bart discovers that the baby birds he has been caring for are actually a threat to the local ecosystem. After realizing that he must return them to their natural habitat, he faces a moral dilemma but ultimately decides to do the right thing. He releases the birds, and in a moment of bittersweet reflection, he watches them fly away. The episode concludes with Bart feeling a mix of sadness and pride for having done the right thing, while his mother, Marge, expresses her support for his decision.

As the episode draws to a close, we see Bart grappling with the consequences of his actions. The final scenes unfold as follows:

The scene opens with Bart standing in his backyard, where he has been nurturing the baby birds he found after their mother was accidentally killed by a BB gun shot. He has grown attached to them, naming them and taking care of their needs. However, as he watches them grow, he learns from a nature documentary that these birds are actually a species that could disrupt the local ecosystem if they were to thrive in Springfield.

Feeling conflicted, Bart wrestles with the idea of keeping the birds versus doing what is best for them and the environment. He experiences a range of emotions, from joy in caring for the birds to guilt over the potential harm they could cause. This internal struggle is palpable as he reflects on his bond with the birds, which he has come to see as his friends.

In a pivotal moment, Bart decides he must release the birds back into the wild. He gathers them in a box, his heart heavy with the weight of his decision. As he walks to the nearby park, he is accompanied by his friends, Milhouse and Nelson, who offer their support but also express their confusion about why he would let them go.

Arriving at the park, Bart finds a suitable spot to release the birds. He opens the box, and the baby birds flutter out, hesitating for a moment before taking flight. Bart watches them soar into the sky, a mix of sadness and pride washing over him. He realizes that he has done the right thing, even if it means letting go of something he loves.

As the birds disappear into the distance, Marge arrives, having witnessed the release from afar. She approaches Bart, who is still staring at the sky, and reassures him that he made a brave choice. Marge expresses her pride in Bart for understanding the importance of nature and the responsibility that comes with caring for living creatures.

The episode concludes with Bart feeling a sense of fulfillment, knowing he has acted selflessly. The camera pans out, showing Bart and Marge standing together, a moment of connection between mother and son, highlighting the growth Bart has experienced throughout the episode. The final shot captures the beauty of the park, symbolizing the harmony of nature that Bart has chosen to protect.

In the episode "Bart the Mother" from Season 10 of The Simpsons, there is no post-credit scene. The episode concludes without any additional content after the credits roll. The focus remains on the main storyline, which revolves around Bart discovering a nest of bird eggs and the subsequent events that unfold as he takes on the responsibility of caring for the hatchlings. The episode wraps up with Bart's emotional journey and the lessons he learns about responsibility and the consequences of his actions.

Bart finds a nest of bird eggs in a bush while playing outside. He becomes fascinated by them and decides to take them home, believing they need his help to hatch.

Marge is initially supportive of Bart's interest in the eggs, encouraging his nurturing side. However, she becomes concerned when she realizes the implications of him raising the birds.

When the eggs finally hatch, Bart is overjoyed to see baby birds emerge. However, he soon realizes that they are not the cute, harmless creatures he imagined, as they quickly become demanding and messy.

At first, Bart is excited and takes pride in caring for the baby birds, but as they grow, he becomes overwhelmed by their needs and the chaos they bring into his life.

Mrs. Krabappel plays a role in highlighting Bart's struggles with responsibility. She assigns a project that requires students to care for a living creature, which prompts Bart to take on the challenge with the bird eggs.

In "Bart the Mother," there are a few scenes and themes that may be considered objectionable or upsetting for children or sensitive viewers:

1. Animal Death: The episode involves themes of life and death concerning birds, which may be distressing for younger viewers.

2. Violence: There are moments of cartoonish violence, including Bart's interactions with the birds and the consequences of his actions, which may be unsettling.

3. Emotional Conflict: Bart experiences guilt and emotional turmoil over his decisions, which could resonate deeply with sensitive viewers.

4. Parent-Child Dynamics: There are scenes that explore the complexities of Bart's relationship with his mother, Marge, which may touch on themes of misunderstanding and conflict.

These elements may require parental guidance depending on the viewer's sensitivity to such topics.