Can I skip scientific Railgun?
Yes you can. But watching both will enhance the experience of both series. Railgun is a spin-off from Index, Index is the main story, so you don’t lose any crucial plot points or anything by just sticking to Index. Jan 10, 2019
Can I skip index and watch Railgun?
If you only want to watch Index, you can go Index → Index II → Index Movie → Index III. (Note that Index III adapted about 9 light novels’ worth of content into only 26 episodes, so that’s why it might feel a bit rushed at times.) If you only want to watch Railgun, you can go Railgun → Railgun S → Railgun T. Jun 6, 2020
Can I just watch Railgun?
Currently you are able to watch “A Certain Scientific Railgun” streaming on Hulu, Funimation Now or for free with ads on Tubi TV, Funimation Now, Crunchyroll, VRV. It is also possible to buy “A Certain Scientific Railgun” as download on Apple iTunes, Google Play Movies, Vudu, Amazon Video.