Thank you; it's #3 that did it. I don't remember changing it to Strict (or is that the default?) but setting it to Opportunistic has maded it work again in all the cases it failed previously.

I have donated €5 for your help & to support FileBot.

Many thanks!

Apologies for the vague title, but I can't be more specific. I'm not sure what's up exactly. I've never really run into much issues with FileBot, and I have used it to rename thousands of thousands of files; but as of last night, it's been consistently failing to fetch proper episode names, which is ...