The Panopticon/Worlds of Big Finish

Without going into spoilers, Big Finish is going to release a crossover box set similar to "Worlds of Doctor Who" next year, but with non-BBC owned characters this time.

So, how do we approach it? Across 6 connected episodes, it will feature Benny, Amy i Zara, Iris Wildthyme (characters who fall entirely under the scope of this wiki), but also Sherlock Holmes, Dorian Gray and Vienna Salvatori, whose individual series are not within this wiki's scope (although I still think Vienna's should, but that's another thread).

So, question is - do we include all of it, and consider the appearances of Sherlock, Dorian and Vienna to be crossovers with the DWU just like their appearances in All-Consuming Fire, Shades of Gray and The Shadow Heart? Or, if their episodes don't include the other main characters, we don't include them in this wiki?

Personally, I'd include them all even if the Dorian and Sherlock episodes don't feature Benny, Graceless and Iris, as otherwise it would probably make it more of a mess than it's worth.