In the novel, the eldest princess dedicated herself to the crown prince.

The original plot of the Eldest Princess sacrificing herself to the Crown Prince happened in the 22nd episode of the TV series "Celebrating Years". In this episode, the Crown Prince persuaded the Eldest Princess to sacrifice herself in exchange for the peace of the Crown Prince's family and prevent the outbreak of war. Although the Eldest Princess hesitated for a while, she still sacrificed herself for the sake of the family's peace.

The original text of Princess Qing Yu Nian sacrificing herself to the Crown Prince was not clearly described in the search results provided. The search results mentioned that there was an affair between the Eldest Princess and the Crown Prince, the plot of sacrifice, and the complex feelings between them, but there was no mention of the specific chapter or episode number. Therefore, it was impossible to provide the original text of the Eldest Princess Qing Yu Nian sacrificing herself to the Crown Prince.

The original text of Qing Yu Nian did not clearly describe the plot of the Eldest Princess sacrificing herself to the Crown Prince. The search results mentioned that there was an affair between the Eldest Princess and the Crown Prince, the plot of sacrifice, and the complicated feelings between them, but there was no mention of the specific chapter or episode number. Therefore, it was impossible to accurately answer the plot of the Eldest Princess sacrificing herself to the Crown Prince in the original text.

In the original text, the plot of the Eldest Princess sacrificing herself to the Crown Prince happened in the 22nd episode of the TV series " Celebrating Years." In this episode, the Crown Prince persuaded the Eldest Princess to sacrifice herself in exchange for the peace of the Crown Prince's family and prevent the outbreak of war. Although the Eldest Princess hesitated for a while, she still sacrificed herself for the sake of the family's peace. This plot attracted a lot of attention from the audience. It showed the Eldest Princess 'inner contradictions and struggles, as well as her deep feelings for the Crown Prince.

The original text of Princess Qing Yu Nian sacrificing herself to the Crown Prince was not clearly described in the search results provided. The search results mentioned that there was an affair between the Eldest Princess and the Crown Prince, the plot of sacrifice, and the complex feelings between them, but there was no mention of the specific chapter or episode number. Therefore, it was impossible to provide the original text of the Eldest Princess Qing Yu Nian sacrificing herself to the Crown Prince.

The original text of Qing Yu Nian did not clearly describe the plot of the Eldest Princess sacrificing herself to the Crown Prince. The search results mentioned that there was an affair between the Eldest Princess and the Crown Prince, the plot of sacrifice, and the complicated feelings between them, but there was no mention of the specific chapter or episode number. Therefore, it was impossible to accurately answer the plot of the Eldest Princess sacrificing herself to the Crown Prince in the original text.

The original text of Qing Yu Nian did not clearly describe the plot of the Eldest Princess sacrificing herself to the Crown Prince. The search results mentioned that there was an affair between the Eldest Princess and the Crown Prince, the plot of sacrifice, and the complicated feelings between them, but there was no mention of the specific chapter or episode number. Therefore, it was impossible to accurately answer the plot of the Eldest Princess sacrificing herself to the Crown Prince in the original text.

In the TV series " Celebrating Years," the plot of the Eldest Princess sacrificing herself to the Crown Prince happened in episode 22.

[In the TV series " Celebrating Years," the plot of the Eldest Princess sacrificing herself to the Crown Prince happened in episode 22.]

In the novel," Celebrating the Years," the plot of the Eldest Princess sacrificing herself to the Crown Prince happened in chapter 86 of the sixth volume. However, the TV series " Celebrating Years " did not show the plot of the Eldest Princess sacrificing herself to the Crown Prince. Therefore, I don't know the exact number of episodes where the Eldest Princess sacrifices herself to the Crown Prince in the TV series.