Youtube - all subtitles appear in one MASSIVE text - as opposed to appear throughout the video.

I am watching videos on youtube in french. I have two sets of subtitles turned on. The first set of subtitles are in french. The second set are in english.

Suddenly, the english set will disappear. There is a little line where they once were.

The french subtitles are there for the whole video. Then, SUDDENLY at the very end of the video, a GIANT block of text will appear showing all of the english subtitles for the entire video at one time in a blob, as opposed to spread out timely and sync throughout the video.

Curious if there are any solutions.