The hit comedy show The Big Bang Theory Season 8 episode 5 airs today, Monday, 13th October at 8:00 pm ET on CBS.
The fifth episode is titled The Focus Attenuation where Penny, Amy and Bernadette will go on a trip to Las Vegas.
Amy and Bernadette accuse Penny of being a "buzzkill" after she gets an email from work during their Vegas weekend. Meanwhile, the guys try to invent something cool, but only come up with new ways to procrastinate,
You can log on to the official website for broadcast details and to watch episodes online.
You can also click here to watch the episode online via live stream.
Two new sneak peeks from the episode, show the guys' big plans, and offer a look at Amy and Bernadette getting liquored up in Vegas.