Think html renders. May not be exactly right but where I’d start

<s>There will be a few tickets available at the box office tonight.</s>

I’m doing it on my android. Don’t have an iPhone to debug sadly. I click on the three dots next to the episode and it is an option there. Just checked and I can also do it by the season. I am on an administrator account

Maybe I’m not understanding offline downloads, but I’m able to download media on jellyfin and watch it offline.