The 'Big Bang Theory' stars are back - with more storylines and, much more cash in their pockets.

The three biggest stars of the hit series, Jim Parsons, Kaley Cuoco-Sweeting and Johnny Galecki, have just signed new contracts which would be entitling them to "Friends" money, i.e., $1 million for every thirty minutes of airtime.

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The stars' contracts is for three years and aside from the guaranteed raise, the three will also be getting production deals, more syndication backend and bonuses.

Actors Simon Helberg and Kunal Nayyar have yet to agree on their contracts with Warner Bros, but with the three biggest names already onboard, the two actors still being part of the much-talked about cast is a foregone conclusion.

Melissa Rauch and Mayim Bialik weren't season regulars when the show first aired, so the two had already signed on for the eighth season before the other stars asked for a pay increase.

In March of this year, CBS renewed the show for another three more seasons and, it was apparent that CBS head honcho Nina Tassler and creator Chuck Lorre were confident that negotiations would push through and that the actors would more likely get the raise they were asking for.

Last July, Lorre shared, "It will be fine. Warner Brothers has done this before. Everybody should be very successful and happy and rich. They earned it. It's a great cast. Great cast. It's their time."

Production for the eighth season was set for July 30; however, because the stars continued to hold off for a bigger pay day, the shoot was cancelled.

The first taping day is now set for Wednesday next week.

The eighth season of "Big Bang Theory" will be premiering with an hour-long special on Monday, September 22 at 8pm. It will go back to its Thursday time slot in October.

TagsBig Bang Theory, contract, filming, CBS, Season 8