Welcome to the challenge of August, which is going to be all about Time; mostly fiction dealing with Time Travel, but also other topics to do with Time, and the manipulation thereof.

Who Week continues, and today we’re gonna talk about all those times the franchise leverages it’s long legacy to deliver Very Special Events of crossing over with itself or other franchises, whether in the form of TV, videogames, comics or more. So, whats your favorite and least favorite Dr Who Crossovers – both within the franchise (Doctors meeting Doctors) and outside of it (Dr Who X Star Trek)?

FULL DISCLOSURE: I am a complete Who neophyte, so if I fuck up or skip over obvious discussion prompts, feel free to address this in the comments!

Bonus Prompt: What would be your dream crossover within the Who Universe?

Extra Bonus Prompt: Thoughts on the spinoff shows – Torchwood, The Sarah Jane Adventures, K-9 – and crossovers with these?

Paradox Bonus Prompt: What other franchises would be fun to see mashed up with Doctor Who?