Veteran NASA astronaut Mike Massimino (right) poses for a photo with Big Bang Theory actor Simon Helberg and another actor during a break from filming the season finale of CBS' Big Bang Theory
Astronaut Mike Massimino cameos as himself in a new episode of the CBS sitcom "The Big Bang Theory."
Veteran NASA astronaut Mike Massimino (right) poses for a photo with Big Bang Theory star Simon Helberg (center) and Executive Producer Bill Prady at the Paley Center in Los Angeles, Calif.
The NASA Team on the set of “The Big Bang Theory” holding the WMAP ball. From left to right: Sara Mitchell, Sarah Eyermann, Maggie Masetti.
"The Big Bang Theory" star Jim Parsons joins the panel at Comic-Con 2012 via satellite.
XCOR Chief Test Pilot/former NASA Astronaut Richard Searfoss (right) and Mercedes Becerra (left) of Paso Robles, Calif., winner of the trip to space given away at "The Big Bang Theory" panel at Comic-Con on July 13, 2012.
"The Big Bang Theory" star Simon Helberg (left), XCOR Chief Test Pilot/former NASA astronaut Rick Searfoss and Mercedes Becerra of Paso Robles, Calif., winner of the trip to space given away at "The Big Bang Theory" panel at Comic-Con 2012 on July 13.
Outside "The Big Bang Theory" panel at Comic-Con 2012, from left to right: Moderator Adam Savage from MythBusters, XCOR Chief Test Pilot/former NASA Astronaut Richard Searfoss, star Simon Helberg, executive producer Steven Molaro, star Kunal Nayyar, star Mayim Bialik, star Melissa Rauch, co-creator and executive producer Bill Prady, star Kaley Cuoco and co-creator and executive producer Chuck Lorre.
"The Big Bang Theory" stars Kunal Nayyar (left) and Simon Helberg at the Comic-Con 2012 panel, shortly before a trip to space was given away to a fan in attendance.
"The Big Bang Theory" co-creator and executive producer Bill Prady (center) practices the Vulcan salute during the show's panel at Comic-Con 2012. Co-creator and executive producer Chuck Lorre (left) and executive producer Steven Molaro look for a reaction.
Star Kaley Cuoco of "The Big Bang Theory" gives a double Vulcan salute during the show's panel at Comic-Con 2012.
Although it took a while, TV audiences have taken a liking to the new geek-inspired comedy "The Big Bang Theory."
