Are you curious about the behind-the-scenes of the show? The topic of the "Commentary" video.

[Anchor]
Have you ever been curious about the behind-the-scenes of your favorite variety shows or dramas?

These days, online commentary videos in which the cast tells the back story themselves are drawing more attention than the actual song.

Reporter Gong Yoo covered it.

[Reporter]
It is a cooking survival entertainment that recently ended amid global popularity.

The program is over, but the aftermath remains.

As if to reflect the interest of viewers, a commentary video has appeared that filmed different aspects of the production site.

In addition to the episodes of chefs that were not released on the show, the performers read and answer the comments of the Internet users.

[Seo Hye-seung / Channel A 'steel unit' CP: I used to understand commentary videos only as reviews or commentary broadcasts, but now, by making online commentary videos rather than reruns, viewers can participate together....]

Love entertainment shows feature behind-the-scenes stories of couple matching, and military survival and dance competition programs feature review videos that analyze skills.

[Choi Jiyoung / Mnet's "Stage Fighter" crew: Before watching the show, many people watch the commentary first, and if they think it's fun....]

In the past, it was only an offline-type event where performers watched the last episode with fans, but now there is an online platform that does not depend on time and place, so the barriers to entry have been significantly lowered.

[Jeong Deok-hyun / Culture critic: There's a kind of fandom in the content, so it doesn't just end with consuming one thing, but also the things that are added to it....]

It's now a commentary video that has become a must-have course for a program.

It has established itself as a new video trend to satisfy viewers' curiosity as well as to maintain buzz.

This is YTN star public stock.