Here's the official press release of The Big Bang Theory Season 6 Episode 5 “The Holographic Excitation” --- which airs on Thursday, Oct. 25th on CBS.
LEONARD AND PENNY DISCOVER A NEW SPARK IN THEIR RELATIONSHIP AND THE GANG CELEBRATES HALLOWEEN
Astronaut Buzz Aldrin Makes a Cameo Appearance as Himself
- The gang celebrates Halloween at Stuart’s comic book store.
- Meanwhile, Leonard seduces Penny with science.