There have been mash-ups on YouTube, and other such things, but it seems there is soon to be a crossover between the two and it's approved
Dr. Who and Star Trek... for reals
This edit will also create new pages on Comic Vine for:Beware, you are proposing to add brand new pages to the wiki along with your edits. Make sure this is what you intended. This will likely increase the time it takes for your changes to go live.