finale

Phonetic

US /fɪˈnæli/UK /fɪˈnɑːli/

NOUNThe grand end of something, especially a show or piece of music., The chronological conclusion of a series of narrative works.

It really felt like a series finale this year
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the season finale
Source:en.wikipedia.org
Republicans Get Pumped for Trump’s Muscular Finale
Source:www.nytimes.com
The series finale(结局) aired on May 6, 2004, and was watched by around 52.5 million(万) American viewers, making it the fifth-most-watched series finale(结局) in television history and the most-watched television episode of the 2000s.
Source:en.wikipedia.org
In an interview, the show’s stars, Jean Smart and Hannah Einbinder, discuss the series finale, their offscreenu:fsk'ri:n relationship and why comedy is just like sex
Source:www.nytimes.com