A poster of US TV show the Big Bang Theory

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"The Big Bang Theory" may be on track to hit its new production dates after three of its key cast-members finalized big pay-off deals that will keep the show running through to 2017.

After marathon negations over the weekend, actors Jim Parsons, Johnny Galekci, and actress Kaley Cuoco all reportedly penned three-season deals that will see their respective salaries triple to around $1 million per episode, according to Deadline.com.

"Big Bang" became embroiled in big drama last week when production for the upcoming eighth season was put on hold due to pending negotiations with Parsons, Galecki and Cuoco, who play Sheldon, Leonard and Penny on the Show, respectively.

Production on the show is set to begin Wednesday, with deals for co-stars Simon Helberg and Kunal Nayyar still pending.