Watch the 'Once Upon a Time' Season 7 Comic-Con Trailer

Once Upon a Time Season 7 premieres Friday, October 6 at 8 p.m. ET on ABC.

Special behind-the-scenes bloopers from Season 6 and sneak peek scenes from Season 7 were revealed Satruday at San Diego Comic-Con at a panel with co-creators and executive producers Edward Kitsis and Adam Horowitz, along with executive producer David H. Goodman and Once Upon a Time cast members Lana Parrilla , Robert Carlyle, Colin O'Donoghue, Andrew. J. West, Gabrielle Anwar, Dania Ramirez, and moderator Yvette Nicole Brown.

After six seasons, the residents of the enchanted forest enter Season 7, facing their greatest challenge yet as the Evil Queen, Captain Hook and Rumpelstiltskin join forces with a grown-up Henry Mills and his daughter Lucy on an epic quest to bring hope to their world and ours. Along the way, new fairy tale characters and old search for true love, find adventure, and take sides in the ongoing struggle of good against evil as classic tales are once again twisted and reimagined.

Watch the Once Upon a Time Season 7 Comic-Con trailer below.

Watch 'The Walking Dead' Season 8 Comic-Con Trailer

A few days ago, AMC released special Comic Con art for The Walking Dead, which revealed October 22nd as the Season 8 premiere date.

It's all-out war when the popular drama series returns for its 100th episode.

The network also teased the new season of The Walking Dead in the official Comic-Con trailer. Watch it below.

'Arrow' Season 3 Preview - with Ra's al Ghul (Video)

Brandon Routh will play Ray Palmer, also known as The Atom,
in Arrow's third season.

Stepping out of the shadows and into the limelight, temporarily putting down his bow in favor of picking up a mic, Arrow star Stephen Amell served as master of ceremonies for the Warner Bros. Television Presents a Night of DC Entertainment three-hour event program in Hall H at Comic-Con 2014 on Saturday, July 26.

Throughout the course of the three-hour evening, Amell welcomed The Flash star Grant Gustin, Gotham star Ben McKenzie and Constantine star Matt Ryan to the stage; presided over the world premiere screening of Gotham and complete pilot of The Flash; and gave fans a preview of Constantine and a sneak peek at season 3 of Arrow (revealing a future involving Ra's al Ghul).

Also unveiled during the evening were four sets of Warner Bros. Television and DC Comics logos created specifically for the night and inspired by each show.

Then, DC Entertainment Chief Creative Officer Geoff Johns welcomed the casts and executive producers of ARROW, Constantine, The Flashand Gotham to the stage (34 people including the moderator, perhaps the biggest panel ever in Hall H?) for a concluding panel discussion.

Below is the Arrow Season 3 preview - with Ra's al Ghul:

'Teen Wolf' Renewed For 20-Episode 5th Season

Shelley Hennig, Dylan O'Brien, Holland Roden, Tyler Hoechlin, Tyler
Posey, Dylan Sprayberry and Jeff Davis pose at the "Teen Wolf" panel at
Comic-Con International on Thursday, July 24, 2014, in San Diego.
Photo Credit: John  Shearer/Invision for MTV/AP Images

MTV announced Thursday to a packed room of screaming fans at San Diego Comic-Con that the hit drama series Teen Wolf has been greenlit for a two-part, 20-episode fifth season. Additionally, the room was given a first-look at the mid-season trailer which is currently available to view on iPhone/iPad or Android via the MTV App.

Today's Comic-Con panel marked the fifth consecutive year that Teen Wolf took the Con by storm. Cast members Tyler Posey, Dylan O'Brien, Tyler Hoechlin, Holland Roden, along with newbies to the pack, Shelley Hennig and Dylan Sprayberry, and Executive Producer Jeff Davis participated in the panel and Q & A session moderated by Buzzfeed Senior Editor, Jarett Wieselman.

BREAKING BAD Panel at San Diego Comic Con 2013 (Video)

Watch the BREAKING BAD panel from San Diego Comic Con 2013 below:

THE ORIGINALS Comic-Con Trailer

They've traveled from Mystic Falls to New Orleans, and this weekend, THE ORIGINALS arrived in San Diego for Comic-Con. Check out the brand-new trailer below with never-before-seen footage for this sexy, new vampire series from THE VAMPIRE DIARIES executive producer Julie Plec.

THE VAMPIRE DIARIES Comic-Con Trailer

Comic-Con fans screamed with delight at THE VAMPIRE DIARIES extended reel about a guy, a girl, another guy, same girl... and a whole lot of blood, lust and supernatural shenanigans. Can't wait for your Salvatore fix? Watch the Comic-Con trailer below.

Michael Jai White & Kevin Alejandro Join ARROW (Video)

Oliver Queen (series star Stephen Amell) will have his work cut out for him when he returns to Starling City on October 9 for the second season of The CW’s #1 series ARROW (Wednesdays at 8 p.m. ET/PT). At Saturday's Comic-Con panel session in Ballroom 20, fans learned of two new DC Comics characters coming to Starling City — Bronze Tiger and Sebastian Blood.

Executive producers Greg Berlanti, Marc Guggenheim and Andrew Kreisberg revealed that Michael Jai White (Spawn, The Dark Knight, Mortal Kombat) will guest star as Bronze Tiger, while Kevin Alejandro (SOUTHLAND, TRUE BLOOD, GOLDEN BOY) will appear as Sebastian Blood in upcoming episodes of the acclaimed action drama’s second season (airdates to be announced).

FIRST LOOK: The Official 'Veronica Mars' SDCC Sneak Peek

We finally have a first look at footage from the new Veronica Mars movie. In the reel below, presented during the Hall H panel at San Diego Comic-Con on July 19th, Rob Thomas, Kristen Bell, and the rest of the cast preview a little bit of what's coming to theaters in early 2014.

COMIC-CON SPOILERS: ONCE UPON A TIME, GLEE, TRUE BLOOD, THE VAMPIRE DIARIES

Comic-Con 2012 in San Diego has been one of the big entertainment stories over the past few days and there have been a lot of spoilers revealed for the fall with primetime soaps including GLEE, ONCE UPON A TIME and more.  Check out some of the highlights below: