u see the prob is watch the start in dub sped up still gonna ruin the shytYou have couple of options,
1.Read manga and go YouTube fights,
2. There's couple of streams that will let watch it at 2x-1.5 I do this whenever I watch one piece, depending on the opening and recap that's like 8 to 10 min ep
3. You could watch some of the movies that are just recap of the story like drum island, crocodile, that might help.
1000 manga my nikka