London MCM Expo is hitting the Excel centre again this October, and is even expanding to fill an extra hall. Come face-to-face with your favourite film and TV stars, play and preview new computer games, plus challenge SFX's own Dave Golder in the ultimate sci-fi quiz: Blastermind!

Yes, we're bringing the amazing live quiz session to London on Saturday 24 October, where you'll be able to prove you are the biggest sci-fi brain around.

The convention also boasts the stars of Warehouse 13, rare appearances by Star Trek: Deep Space Nine’s Terry Farrell and Nicole deBoer (Dax!) as well as Nelsan Ellis, who plays Lafayette Reynolds in Golden Globe-winning vampire series True Blood.

London MCM Expo also hosts the grand opening of this year’s London Games Festival, meaning that you'll see Tekken 6, Assassin’s Creed 2, Ninja Gaiden Sigma 2, Warriors: Legends of Troy, Undead Knights, Dynasty Warriors: Strikeforce HD, Muramasa: The Demon Blade, Rising Star Games’ Ju-On: The Grudge, Gearbox’s revolutionary new first person role-playing shooter Borderlands, plus previously unannounced Xbox 360 title Way of the Samurai 3.

Oh, and there's plenty for anime, manga and comic enthusiasts. Fans will get to meet luminaries such as Alan Grant, Andy Diggle, Jock and Ben Templesmith – plus special guests from Japan.

For up-to-date Expo news visit www.londonexpo.com and don't forget to visit the SFX stand for badges, subscription deals, details of our own event and the chance to prove your sci-fi trivia credentials in Blastermind - see you in October!