If you see Smaug or The Joker travelling in on the DLR it's reasonably safe to assume you're in less danger than on other days.
That's because cosplayers, sci-fi fans, comic enthusiasts and lovers of television and film are descending on the Excel centre in Royal Docks for MCM Comic Con, which runs from 10am on Friday, May 22, until Sunday, May 24.
We've been keeping tabs on what's coming up, including an appearance by Gillian Anderson and we'll be heading down to capture the sights, smells and sounds of the build-up later.
And, if you can't get there, we've come up with a few tips for playing along in the office .
Live long and prosper.