"The Big Bang Theory" season 8, episode 12 revealed that Raj will be worried about whether his design will actually work now that the Horizon spacecraft has landed. Meanwhile, Leonard and Sheldon will be threatened by Amy and Penny.

In the episode titled "The Space Probe Disintegration, "Raj is getting more nervous and starts making basket shots into the waste can assuming that the space probe will operate based upon the success of his shots. He makes all of them," according to the spoilers.

To help calm Raj nerves, Howard will take him to a Hindu temple.

"Raj discusses religion and how people should be treated until someone hits his car with their car door. He yells at an older Indian man. In the middle of this, Howard gets a message and tells Raj that the probe is working fine. Raj calms down," the report said.

Meanwhile, Leonard and Sheldon will find out just how difficult it is to deal with women as they were dragged into shopping with Amy and Penny.

While waiting for the girls, Leonard and Sheldon talk about why girls take a very long time shopping for clothes. Out of boredom, they also play an invisible card game while agreeing that they sacrifice too much for each other.

The synopsis offered episode 12 spoilers for season 8 of "The Big Bang Theory" as it reads: "Raj will be concerned over whether a probe he designed will work in outer space. Penny and Amy will coerce Leonard and Sheldon into taking them shopping. Description number 2: When the guys finally agree to do something the girls like, it is going to lead to a confrontation between Leonard and Sheldon."

Watch out for more "The Big Bang Theory" season 8, episode 12 spoilers ahead of the airing date on Thursday, January 8 on CBS.