Thousands of comic and movie fans hit San Diego for annual Comic-Con event

SAN DIEGO - Thousands are flocking to San Diego this weekend for Comic-Con.

The event has grown far beyond its comic book namesake.

It's now an extravaganza of all media related to comics, superheroes, science fiction and fantasy.

GALLERY: Comic-Con Day One -

NBC is promoting its popular shows, "Grimm" and "Revolution", at the convention and previewing new fall shows "Dracula" and "The Blacklist" starring James Spader.

Video games are also making a big splash again this year as well, with gaming companies showing off the latest technology and the hottest new titles.

Behind the crazy costumes, those attending Comic-Con say its really all about connecting.

Some 130,000 people are expected to attend this year.

Comic-Con runs through Sunday.