The episode begins with a flashback to the past, where a young Momonosuke is seen with his mother, Kozuki Oden's wife, Kozuki Toki. Toki is comforting Momonosuke, assuring him that they will be reunited soon. She expresses her love for him and makes a tearful promise that they will see each other again, instilling hope in the young boy.

The scene shifts to the present, where the Straw Hat Pirates are in Wano Country, and chaos is unfolding. The focus is on the Flower Capital, where the citizens are celebrating the Fire Festival. However, the atmosphere is tense as the threat of Kaido looms over the country. The Straw Hats are aware of the danger and are preparing for the upcoming battle against the Beast Pirates.

Meanwhile, in the depths of Onigashima, Momonosuke is being held captive by Kaido and his forces. He is frightened and alone, recalling the promise made by his mother. His emotional turmoil is palpable as he struggles with the fear of never seeing his family again. The scene highlights his vulnerability and the weight of his responsibilities as the heir to the Kozuki clan.

Back in the Flower Capital, the Straw Hats, along with their allies, are strategizing their next move. Luffy is determined to rescue Momonosuke and confront Kaido. The crew members express their unwavering support for Luffy's decision, showcasing their strong bond and commitment to each other. The urgency of their mission is emphasized as they prepare to infiltrate Onigashima.

As the episode progresses, we see a confrontation between the Beast Pirates and the alliance of the Straw Hats and their allies. The tension escalates as they engage in battle, showcasing their unique abilities and fighting styles. The choreography of the fight scenes is dynamic, with each character displaying their strengths and determination to protect their friends and defeat their enemies.

During the battle, Luffy's resolve is tested as he faces off against one of Kaido's top commanders. The fight is intense, with Luffy pushing himself to his limits. He recalls Momonosuke's plight, fueling his determination to win. The emotional stakes are high as Luffy fights not just for victory, but for the promise he made to protect his friends and the future of Wano.

In a parallel scene, we see Momonosuke's internal struggle as he witnesses the chaos outside his prison. He feels helpless but remembers his mother's words, which give him the strength to hold on. His character development is highlighted as he transitions from a scared child to a more resolute figure, ready to embrace his destiny.

The episode culminates in a dramatic moment where the alliance finally breaches the gates of Onigashima. The atmosphere is charged with anticipation as they prepare to rescue Momonosuke and confront Kaido. The stakes are higher than ever, and the promise of a fierce battle looms on the horizon.

As the episode concludes, the focus shifts back to Momonosuke, who senses that help is on the way. His hope is reignited, and he vows to stay strong until he is rescued. The emotional weight of the episode is felt as the characters' motivations intertwine, setting the stage for the impending conflict and the fulfillment of promises made.

In the ending of One Piece, Season 21, Episode 980, titled "A Tearful Promise! The Kidnapped Momonosuke!", the episode culminates in a tense moment where the Straw Hat Pirates and their allies are faced with the dire situation of Momonosuke's kidnapping. The emotional weight of the episode is felt as the characters grapple with their fears and hopes for the future, particularly as they vow to protect Wano and its people. The episode ends with a sense of urgency and determination, setting the stage for the battles to come.

As the episode unfolds, we begin with a scene in the Flower Capital, where the citizens are celebrating the Fire Festival. The atmosphere is vibrant, filled with laughter and joy, but this happiness is soon overshadowed by the looming threat of Kaido and his forces. The camera pans to the Straw Hat Pirates, who are preparing for the upcoming conflict, their expressions a mix of resolve and anxiety.

Next, we shift to the interior of Kaido's fortress, where Momonosuke is being held captive. The young heir to Wano is visibly distressed, his eyes wide with fear as he realizes the gravity of his situation. He recalls the promise he made to his father, Oden, to protect Wano and its people. This memory fuels his determination, even in the face of danger.

Meanwhile, Luffy and the other Straw Hats are strategizing their next move. Luffy, with his characteristic bravado, reassures his crew that they will rescue Momonosuke and defeat Kaido. His unwavering confidence serves as a beacon of hope for his friends, who are equally committed to the cause. Zoro, Sanji, and the others express their readiness to fight, their camaraderie evident as they share a moment of solidarity.

As the episode progresses, we see flashbacks of Momonosuke's childhood, highlighting his relationship with his parents and the burden of his lineage. These scenes are interspersed with the present-day urgency, creating a poignant contrast between his innocent past and the perilous present. The emotional stakes rise as Momonosuke's thoughts reveal his desire to live up to his father's legacy.

The climax of the episode occurs when the Straw Hats finally make their move to infiltrate Kaido's stronghold. The tension is palpable as they navigate through the fortress, encountering various obstacles and enemies. Each character showcases their unique abilities, working together seamlessly to overcome the challenges in their path. The stakes are high, and the sense of danger looms large as they inch closer to Momonosuke.

In the final moments, the episode cuts back to Momonosuke, who is confronted by one of Kaido's henchmen. The henchman taunts him, but Momonosuke stands firm, recalling the promise he made to his father. His resolve strengthens, and he vows to fight for his freedom and the future of Wano. The episode ends on a cliffhanger, leaving viewers anxious for what will happen next, as the Straw Hats are poised to clash with Kaido's forces in a battle that will determine the fate of Wano.

In summary, the episode concludes with a powerful sense of determination among the characters, particularly Momonosuke, who embodies the hope for Wano's future. The emotional weight of promises made and the bonds of friendship are central themes, setting the stage for the impending conflict that will test their resolve.

In episode 980 of One Piece, titled "A Tearful Promise! The Kidnapped Momonosuke!", there is indeed a post-credit scene.

The scene opens with a somber atmosphere, focusing on the aftermath of the intense events that have unfolded. The camera pans over the devastated landscape of Wano, highlighting the emotional weight of the recent struggles faced by the characters.

We see a close-up of Kin'emon, who is visibly distressed, reflecting on the fate of Momonosuke. His expression is a mix of determination and sorrow, showcasing his deep commitment to protecting the future of Wano and the promise he made to the late Kozuki Oden. Kin'emon's internal conflict is palpable as he grapples with the urgency of their situation and the weight of their mission.

The scene shifts to a view of the night sky, where the stars twinkle brightly, symbolizing hope amidst despair. Kin'emon's voice can be heard, vowing to rescue Momonosuke and restore peace to Wano. His words are filled with resolve, and the emotional intensity of the moment resonates deeply, reminding viewers of the stakes involved in their quest.

As the post-credit scene concludes, the screen fades to black, leaving viewers with a sense of anticipation for the challenges that lie ahead and the bonds of loyalty that will be tested in the episodes to come.

In episode 980, Momonosuke is kidnapped by Kaido's forces, which creates a sense of urgency and fear among the allies of the Straw Hat Pirates. His abduction is a pivotal moment that drives the narrative forward, as it highlights the stakes involved in the battle against Kaido.

The Straw Hat Pirates, particularly Luffy and Zoro, are visibly distressed and angered by Momonosuke's kidnapping. Luffy's determination to rescue him intensifies, showcasing his protective nature and the bond he shares with the people of Wano.

Yamato plays a crucial role in episode 980 as they express a strong desire to protect Momonosuke. Yamato's connection to Oden and their own motivations to fight against Kaido are revealed, adding depth to their character and their commitment to the Wano cause.

The episode features several emotional moments, particularly when Momonosuke is shown in distress after being captured. His feelings of helplessness and fear are palpable, and the reactions of his allies, who are determined to save him, amplify the emotional stakes of the situation.

The episode depicts the conflict through intense action sequences and strategic planning among the Straw Hats. The urgency to rescue Momonosuke leads to confrontations with Kaido's forces, showcasing the escalating tension and the dire consequences of their actions.

In "One Piece" Season 21, Episode 980, titled "A Tearful Promise! The Kidnapped Momonosuke!", there are several elements that may be considered potentially objectionable or upsetting for children or sensitive viewers:

1. Kidnapping Theme: The episode revolves around the kidnapping of a young character, which may be distressing for younger audiences.

2. Emotional Distress: Characters experience intense emotional moments, including fear, sadness, and desperation, particularly related to the safety of Momonosuke.

3. Violence: While the series is known for its action, there are scenes of combat and conflict that may be intense, though they are typically stylized and not graphic.

4. Dark Themes: The overarching narrative includes themes of betrayal, loss, and the struggle against oppressive forces, which may be heavy for some viewers.

5. Tension and Suspense: The episode builds significant tension as characters face dire situations, which could be anxiety-inducing for sensitive viewers.

These elements contribute to the overall tone of the episode, which balances adventure with serious emotional stakes.