The CBS series took a break last month when its star, Charlie Sheen, entered rehab. As a contingency plan, the network ordered two additional episodes of the comedies Mike & Molly as well as Rules of Engagement to fill the void.
Sheen has said he's ready to return to work.
"I'm here and I'm ready. They're not. Bring it ... They didn't think it was going to happen this fast ... I heal pretty quickly, but I also unravel pretty quickly," he said on Dan Patrick's show Wednesday.
Four more episodes of the Emmy-winning comedy will be produced this season, instead of the originally planned eight.