This is the 15806th most frequent Russian word.
продлятся
"Продлятся" means "will last" or "will be extended."
The verb 'продлятся' is used to indicate the duration of an event or time period.
Каникулы продлятся три недели.
The holidays will last three weeks.
Here, 'продлятся' describes the duration of the movie.
Фильм продлятся два часа.
The movie will last two hours.
In this sentence, 'продлятся' conveys the expected timeframe for the play.