The SciFi Channel webmasters have launched Scifipedia, based on MediaWiki. Unfortunately, in my opinion, they've destroyed much of the usability offered by the out-of-box template. Just try finding the "Recent Changes" page.
So, I was annoyed enough to crack open a text editor and give it the Greasemonkey treatment:
I mean, I can understand wanting to brand things - and this is a free site after all - but try not to muck with the essentials.