This is the 15172nd most frequent Russian word.
полюбившимися
"Beloved" or "well-liked."
In this sentence, 'полюбившимся' describes the characters that became dear or liked to the audience.
Книга о приключениях стала популярной благодаря полюбившимся героям.
The adventure book became popular due to its beloved characters.
Here, 'полюбившимся' refers to the melody and lyrics that were fondly received by listeners.
Песня быстро распространилась благодаря полюбившимся мелодии и словам.
The song quickly spread thanks to its beloved melody and lyrics.
In this context, 'полюбившимся' speaks about the plot lines that were appreciated and liked by the audience.