Two new video clips taken and edited from the premiere episodes of 'The Big Bang Theory' Season 8 reveal some exciting spoilers. The first two episodes will air back to back starting Monday, Sept. 22 at 8:00 pm on CBS.

The new sneak peek videos are taken from the first two Season 8 episodes entitled, "The Locomotion Interruption" and "The Junior Professor Solution," respectively. Evidently, taking a close look at the videos reveals some interesting spoilers about what fans can expect to see when the show returns.

Season 8 Episode 1 starts off with Amy and Leonard talking about Sheldon's trip to Pasadena, and how they feel the need to intervene. This means that the two of them will take the unexpected and unpredictable venture to Arizona in an attempt to retrieve their strange friend, Sheldon.

How that turns out is still undisclosed, but fans should consider the impact this storyline has in the series. Since the producers decided to swing the first episode toward Sheldon's character development, and not Leonard or Penny's wedding, it means the events depicted in the first episode will be vital to the rest of 'The Big Bang' story.

Some of the other things that are set to happen in "The Locomotion Interruption," are, for one, Penny's job interview at Bernadette's company, and Howard's attempt to wrap his head around Stuart's relationship with Mrs. Wolowitz.

Stepping into the second episode that is set to premiere Season 8, "The Junior Professor Solution," the story settles down a bit. The events that take place in this episode follow suit to many of the segments that don't expand on the series plot as a whole.

In this episode, Sheldon is back to normal (whatever that means for him), and is forced to teach a class. To everyone's surprise, Howard decides to take the course, while Penny and Bernadette quarrel, which leaves Amy sitting on the fence between them.

Check out the two new 'Big Bang Theory' Season 8 Episode 1 & 2 Clips below: