Quote Originally Posted by sperk View Post
Привлекательное. Какой кино?
Привлекательное видео (or whatever else you mean) ---would have been okay here, but you decided to omit the noun so the adjective should have turned into an adverb --- привлекательно.

Кино --- it's of neutral gender so it should've been Какое кино? To sum it up.

Привлекательно. Какое кино?

But, Какое кино? no Russian would ever say that in this case, it would be Что за кино? or Из какого это кино? the last one implies that you have seen the short movie clip, and you ask what movie that clip is from.