The episode begins in the aftermath of the trial by combat announcement, where Tyrion Lannister is set to face the formidable Gregor Clegane, known as The Mountain. Tyrion, feeling the weight of his impending fate, seeks out his brother Jaime Lannister for support. Jaime, who is conflicted about the situation, tries to reassure Tyrion but is also aware of the grim reality of the fight ahead. Tyrion expresses his doubts about the outcome, revealing his fear of dying in the arena.

Meanwhile, in the Vale, Sansa Stark is living under the protection of Petyr Baelish, who has taken her to his home. Baelish is increasingly manipulative, weaving a web of lies and deceit around Sansa. He tells her that they are going to the Eyrie, where she will be safe. Sansa, still reeling from the loss of her family, is wary but feels she has no choice but to trust Baelish, who has been her only ally.

Back in King's Landing, the day of the trial by combat arrives. The arena is filled with spectators, including Cersei Lannister, who is eager to see Tyrion defeated. The atmosphere is tense as the two combatants are introduced. Tyrion is represented by Oberyn Martell, the charismatic and skilled fighter from Dorne, who has his own motivations for fighting The Mountain. Oberyn seeks vengeance for the death of his sister, Elia Martell, who was murdered by the Lannisters.

As the fight begins, Oberyn displays his agility and speed, taunting The Mountain and using his quickness to avoid direct confrontation. He lands several blows on Gregor, showcasing his skill with a spear. The crowd is captivated by Oberyn's performance, and he seems to have the upper hand. However, Oberyn's desire for revenge clouds his judgment, and he becomes increasingly reckless, demanding that The Mountain confess to his sister's murder during the fight.

In a critical moment, Oberyn finally corners The Mountain and delivers a powerful blow, knocking him to the ground. Instead of finishing the fight, Oberyn approaches Gregor, insisting on a confession. This moment of hubris proves fatal. The Mountain, despite his injuries, manages to grab Oberyn's leg and pulls him down. In a brutal turn of events, Gregor Clegane crushes Oberyn's skull with his bare hands, killing him in a shocking and graphic display of violence. The crowd gasps in horror as Tyrion watches in despair, realizing that his last hope for survival has been extinguished.

With Oberyn dead, the trial by combat concludes, and Tyrion is left to face the consequences. Cersei revels in her victory, while Tyrion is taken away, facing the grim reality of his impending execution. In a moment of desperation, Tyrion confronts his father, Tywin Lannister, demanding a chance to escape his fate. Tywin, however, is unmoved and insists that Tyrion will be executed for the murder of Joffrey, regardless of the outcome of the trial.

The episode closes with Tyrion's fate hanging in the balance, as he contemplates his next move in a world that has turned against him. The emotional weight of the events leaves a lasting impact on the characters, setting the stage for the conflicts and struggles that will follow in the series.

In the ending of "The Mountain and the Viper," Oberyn Martell faces off against Gregor Clegane, known as The Mountain, in a trial by combat. Despite initially gaining the upper hand, Oberyn is ultimately defeated and killed by The Mountain. The episode concludes with Tyrion Lannister being sentenced to death for the murder of King Joffrey, as the trial's outcome leads to dire consequences for him.

As the scene unfolds in the arena of King's Landing, the tension is palpable. The sun beats down on the gathered crowd, eager to witness the trial by combat between Oberyn Martell and Gregor Clegane. Oberyn, agile and confident, dances around The Mountain, taunting him and using his speed to land quick blows. The crowd cheers for Oberyn, who is fighting not only for his own honor but also for the life of Tyrion Lannister, accused of murdering King Joffrey.

Oberyn's strategy is clear; he wants to avenge his sister Elia's death at the hands of The Mountain. He demands that Gregor confess to the crime, circling him like a predator. The Mountain, a hulking figure of brute strength, struggles to keep up with Oberyn's agility. The fight is brutal, with Oberyn landing several strikes, showcasing his skill with a spear.

As the battle progresses, Oberyn gains the upper hand, knocking The Mountain to the ground. He stands over him, demanding a confession. In a moment of hubris, Oberyn lowers his guard, believing he has won. However, The Mountain, with a sudden surge of strength, grabs Oberyn's leg and pulls him down. In a shocking turn, he overpowers Oberyn, crushing his skull with his bare hands. The crowd gasps in horror as Oberyn's lifeless body falls to the ground.

The aftermath of the fight is grim. Cersei Lannister, watching from the sidelines, revels in the outcome, while Tyrion, who had placed his hopes on Oberyn, is left devastated. The trial by combat concludes with Oberyn's death, and the implications are dire for Tyrion. He is taken back to his cell, where he awaits his fate.

In the final moments of the episode, Tyrion is brought before the court. Despite the evidence and the outcome of the trial, he is sentenced to death. The weight of the injustice hangs heavy in the air as Tyrion's fate is sealed, leaving viewers with a sense of foreboding about the consequences of the trial and the ongoing power struggles in Westeros.

In the episode "The Mountain and the Viper" from Season 4 of Game of Thrones, there is no post-credit scene. The episode concludes with the intense and dramatic events surrounding the trial by combat between Oberyn Martell and Gregor Clegane, known as The Mountain. The episode ends on a cliffhanger, focusing on the outcome of the fight, but it does not include any additional scenes or content after the credits roll.

During the trial by combat, Oberyn Martell faces Gregor Clegane, also known as The Mountain. Oberyn uses his agility and speed to evade The Mountain's brute strength, landing several blows while taunting him. Oberyn seeks vengeance for his sister's death and demands a confession from The Mountain. However, in a shocking turn of events, The Mountain ultimately overpowers Oberyn, crushing his skull and killing him.

Tyrion Lannister is devastated by the outcome of the trial by combat. He had placed his hopes on Oberyn Martell to win and secure his freedom. After Oberyn's death, Tyrion is left in despair, realizing that his fate is now even more uncertain and dire.

Oberyn Martell's motivations in the trial by combat are deeply personal. He seeks to avenge the death of his sister, Elia Martell, who was murdered by The Mountain during Robert's Rebellion. His desire for revenge drives him to take on the formidable opponent, believing that defeating The Mountain will also serve justice for his family's honor.

Cersei Lannister plays a significant role during the trial by combat as she watches the proceedings unfold with a mix of anticipation and concern. She is aware that the outcome could affect her own power and influence, as Tyrion's fate is tied to the trial. Cersei's expressions reveal her complex feelings about the situation, particularly her desire for Tyrion's punishment.

The episode depicts a complex relationship between Oberyn Martell and Tyrion Lannister. Oberyn shows a level of empathy and support for Tyrion, believing in his innocence and willing to fight on his behalf. Their interactions highlight a bond formed through shared experiences of being marginalized within their respective families, as well as a mutual understanding of the harsh realities of their world.

In "The Mountain and the Viper," several scenes may be considered objectionable or upsetting for children or sensitive viewers. Here are some aspects to be aware of:

1. Violence: The episode features intense combat scenes, including a highly anticipated trial by combat that culminates in graphic violence.

2. Death: There are moments that depict the death of characters, which can be distressing, especially given the brutal nature of the fights.

3. Blood and Gore: The episode contains scenes with significant bloodshed and gore, particularly during the climactic duel.

4. Tension and Suspense: The atmosphere is filled with tension, which may be unsettling for younger viewers.

5. Themes of Betrayal and Revenge: The underlying themes of betrayal and revenge may be heavy for sensitive audiences.

These elements contribute to the overall mature tone of the episode, making it less suitable for a family-friendly viewing experience.