Hit nerdy flick, "The Big Bang Theory" is about to enter its 9^th season. The season's premier will consist of the most important wedding of the show. Yes, you heard it right. Leonard Hofstadter (Johnny Galecki) and Penny (Kaley Cuoco) are going to get married. The couple has finally decided to take it down the aisle. Penny has been suffering from commitment issues since a decade and decided to throw it all in and hope for the best.

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In the latest preview pictures, Penny and Hofstadter were dressed up all glitzy. Penny appeared to have a rather hostile expression. Well...why wouldn't she? Her husband-to-be told her that he cheated on her with someone not long ago, too near their wedding days. It is suspected that the "cheat-girl" will be played by Melissa Tang. Let's see how her role is snuggled into the plot, most likely she'll be bumping into the young couple during their North Sea expedition.

In The "Big Bang Theory's" season 8^th last episode, Amy Fowler (Mayim Bialik) broke up with Sheldon Cooper (Jim Parsons). Poor Shelly, he was about to propose her (an engagement ring was revealed later in a drawer). Apparently Fowler's concern was how Cooper can never completely focus on "her" at a single moment. It is obvious that Cooper interrupted their make out session with 'how he wants to watch "The Flash" with her. Fans don't know what the future holds for them, but will find out in season 9.

"The Big Bang Theory" season 9 premiers on Monday, Sept. 21 at 8 p.m. ET.

TagsBig Bang Theory, Season 9, Sheldon, break up