Actually, on mobile, I see yellow dashes that are ads. I fast-forward in front of them and they disappear. If I go to the end and restart, it only removes the ending ad.
HI :D WANT TO KNOW HOW TO SKIP YOUTUBE ADS?? PRESS READ MORE TO FIND OUT; GET RICK ROLL'D; JUST KIDDING :D; YOU CAN SKIP ADS BY REPORTING IT OR REFRESHING THE WEBSITE IF YOU GOT AN AD AT THE BEGINNING OF THE VIDEO