Well, in most cases, you can't really 'freeze' a story in the traditional sense. But if you mean saving it in a way that it remains unchanged, like backing it up or storing it without editing, then yes.
Another option could be to search on Amazon Prime Video. They have a wide range of content, and there's a chance Catfish: The Untold Stories is among them.
You could try searching for it on popular digital game platforms like Steam. Many visual novels are available there. Also, check out some indie game websites or forums where developers might promote their works.
You can try looking on nature - related news websites. They often have stories about different animals, including catfish. For example, National Geographic's website might have some interesting catfish news.