6:45pm PT by THR staff
Comic-Con: How Nathan Fillion Became Captain Kirk, Chris Hardwick Went 'Back to the Future' (Video)
How do you get the Comic-Con crowd to get even more excited about fanboy faves like Nathan Fillion and Orphan Black's Tatiana Maslany? Slap a Starfleet uniform or Shaun of the Dead blood-spattered shirt on them.
Watch the video above to see how Johnson did it, and check out the finished products here.