Big Bang Theory Season 8 returns with episode 5 "The Focus Attenuation" this Monday night, and looks like the girls will have the time of their lives when they hit Vegas... or maybe not. The geeky guys and the girls will go separate ways this week in an attempt to make it big in their own irresponsible ways. Who will end up triumphant in pursuing their plans? Find out by tuning in on CBS at 8/7c, or you may simply watch Big Bang Theory season 8 episode 5 stream using the free online stream link below.

Note: The following paragraphs contain spoilers on the upcoming episode of Big Bang Theory Season 8. If you don't want to spoil the fun and excitement of watching a brand new episode, simply scroll down to the bottom and look for the free online stream link there.

Last week on Big Bang Theory Season 8, Raj's honesty about his past found a way to haunt him after his girlfriend, Emily, gets cold to Penny. Raj introduced his girlfriend to the guys in the middle of their conversation about dinosaurs. Penny was noticeably not pleased with Raj's new girl. Fans also saw the geeky gang attempting to help Stuart start the comic book store anew as they consider becoming part-owners of the store. Watch Big Bang Theory season 8 episode 5 stream using the free online stream link found at the bottom.

This week, the guys and the girls will embark on their separate adventures in an attempt to find out who is capable of making it big. The girls are heading to Las Vegas while the guys stay at home and come up with something that can "change the world" once and for all. However, it appears that whatever they do, mother nature will be intervening and lead them to different outcomes. By mother nature, the geeky gang means "the Internet." Penny, Amy and Bernadette will be experiencing misadventures in Las Vegas one after another, but will the trio give up that easily? Find out by tuning in on CBS at 8/7c, or by watching the episode online using the Big Bang Theory season 8 episode 5 free online stream link at the end of this post.

The official synopsis of Big Bang Theory season 8 episode 5 reads: "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."

CBS's official show summary for Big Bang Theory reads: "Leonard and Sheldon are brilliant physicists - geniuses in the laboratory, but socially challenged everywhere else. Enter beautiful, street-smart neighbor, Penny, who aims to teach them a thing or two about life. Despite their on-again, off-again relationship in the past, Leonard and Penny have finally gotten engaged. Even Sheldon has found a female companion, entering into a "Relationship Agreement" with neurobiologist Amy Farrah Fowler. In their free time, Leonard and Sheldon enjoy fantasy role-playing games with their ever-expanding universe of friends, including fellow scientists Koothrappali, Wolowitz and Wolowitz's adorable microbiologist wife, Bernadette."

"The Focus Attenuation" is set to air this Monday night at 8/7c on CBS. Watch Big Bang Theory season 8 episode 5 stream using this free online stream link here.