This year's season for TWO AND A HALF MEN will be two episodes shorter this year because of Charlie Sheen's legal problems which landed him in rehab. Instead of the usual 24 episodes, just 22 will be filmed. But, what will be missing is the big season finale episode because it got cut from the schedule. But, TWO AND A HALF MEN is a really great comedy, so you can still expect a very good episode to wrap up this season.
TWO AND A HALF MEN is the most important comedy that CBS has and the #1 comedy on TV. However, Charlie Sheen's legal and rehab problems this year have caused plenty of problems for the show. The show has maintained it's quality despite all of this and really hasn't witnesses any audience slippage according to the ratings.