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OTRC: Sarah Michelle Gellar drops 'Ringer' spoilers at Comic-Con

Sarah Michelle Gellar appears as Siobhan, the twin sister of her other character, Bridget, in the pilot of 'Ringer,' a CW series that debuted on Sept. 13, 2011. (CW)

Sarah Michelle Gellar got a warm welcome at San Diego Comic-Con on Thursday from her massive "Buffy the Vampire Slayer" fan base, but the actress was on-hand to promote her new CW series, "Ringer."

"When you have a show like Buffy that was so perfect, you're not looking for a show to top it. You're not looking for show that's completely different," Gellar said during a panel, Entertainment Weekly reports. "We wouldn't exist without fans. We wanted to come back and do a show that fans would love that would be different but still exciting."

The actress is set to play twins in the drama, which marks the actresses return to television after eight years and was officially picked up by the CW in May.

Gellar told fans at Comic-Con that even though she did her own stunts on "Buffy," producers wouldn't let her get too physical in her new role.

"On 'Buffy,' I could just go through a wall," Gellar said. "When we were doing this sequence [for 'Ringer'], we had stunt doubles, and I was like, 'for what? Why do I have a stunt double? I was like, this is weird'" Gellar admitted that there were a few things her new characters have that Buffy didn't though, "I got to shoot a gun and Buffy never got a gun. Yesterday, I had a skill saw, and that thing, I did not like. I never want to use that again."

On the show, Gellar plays Bridget, a recovering addict who goes on the run after witnessing a murder. Bridget later assumes the identity of Siobhan, her wealthy but estranged twin sister, after Siobhan mysteriously disappears. Bridget quickly learns that her sister had her own shocking secrets.

"At the end of the day, it's a character study about twin sisters and the nature of sibling rivalry," creator Eric Charmelo said during the panel, E! Online reports. "It's about identity, and redemption, and revenge. And just when you think you've figured something out, we're going to throw a wrench into the equation and take it on a completely different tangent. It keeps things fresh."

Since "Buffy the Vampire Slayer" left the airwaves in 2003, Gellar has been working in films with roles in "The Grudge" series, "Southland Tales" and voice work for "Teenage Mutant Ninja Turtles." The actress married Freddie Prinze Jr. in September 2001 and gave birth to a daughter, Charlotte Prinze, in September 2009.

"I have the greatest fans in the world, and I loved my show. I think sometimes, too, you need that time to understand that it was a cultural phenomenon, a legacy," Geller explained to Entertainment Weekly when asked why she waited so long to return to television. "I want to honor those people who were so good to me and show them something worthy of their time and worthy of them. I think it was worth the wait."

The pilot for the drama was initially made for CBS and was announced in January, however, the network passed on the project and it was later picked up by CBS' sister network, The CW. The CW was formerly The WB but merged with the CBS owned network UPN in 2006. Both of those previous networks aired "Buffy the Vampire Slayer."

Check out the "Ringer" promo video that debuted at Comic-Con below.

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