Sci-fi legend Wil Wheaton (Star Trek: The Next Generation, center) moderated the Big Bang Theory panel. "I'll do anything Big Bang wants me to do," Wheaton said. "Careful, they may have you do that streaking story," Johnny Galecki (left) joked.

Big Bang Theory star Kunal Nayyar had a plan to escape recognition when walking around the convention. "Tomorrow I am going disguised under a hoodie, but if someone recognizes me and comes up, that will be cool."

Big Bang Theory's Jim Parsons was grateful for his fans' support but confused about Comic-Con's mass appeal. "I'm a fish out of water, I don't get it. But my character [Sheldon] would go crazy here."

This was the first Comic-Con for Glee's Jenna Ushkowitz, "It's really cool to see all these geeks come together," she said.

Vampire Diaries hottie and TV Guide Magazine Comic-Con special edition cover girl Nina Dobrev let loose in the photo booth.

Chuck stars Joshua Gomez (left) and Ryan McPartlin feel the love as they cuddle inside the photo booth. The NBC show announced Linda Hamilton will be joining the cast as Chuck's mom.

V stars (from left) Logan Huffman, Elizabeth Mitchell, Morena Baccarin and Morris Chestnut got cozy in the photo booth. "I want to keep my blonde hair for at least two episodes," Baccarin said. "Last season I showed so much emotion that it turned my hair blonde!"

Not even constant traveling and press can break up Vampire Diaries co-stars Paul Wesley (left) and Ian Somerhalder. "He's my brother, he's my homie," Somerhalder said of Wesley. "We had a really good time in Europe partying our asses off. We're going to have to be on our best behavior during this new season because werewolves can kill vampires."

Rock group Barenaked Ladies surprised the Big Bang Theory panel audience with a live performance of the theme song that made Kunal Nayyar "feel like being part of the Beatles."

Scott Wolf (V) is all smiles in the photo booth, and his co-star Elizabeth Mitchell promises next season is "going to have more action and character development."

Fringe's Anna Torv was all smiles during Comic-Con weekend, where there was talk about her alternate universe character getting more screen time during Season 3.