My two favorite SF series are The Expanse and The Three Body Problem. Both fit your FTL desire (the former a bit more directly)

Except it’s hardly ever just 30 seconds of ads. In my recent experience, especially if you don’t press the skip button, it’s 2-5minutes of ads every few minutes of video, which is terribly excessive.

Someone at work the other day put on a music playlist, and frequently YouTube would start playing ads that were HOUR AND A HALF LONG INFOMERCIALS.