UPDATE: Sheen has responded in a letter to TMZ, which reads in part:

"What does this say about Haim Levine [Chuck Lorre] after he tried to use his words to judge and attempt to degrade me. I gracefully ignored this folly for 177 shows ... I fire back once and this contaminated little maggot can't handle my power and can't handle the truth. I wish him nothing but pain in his silly travels especially if they wind up in my octagon."

Sheen had challenged Lorre, whose real name is Chaim Levine, to fight him in an ultimate fighting-type match for control of the show. For the entire letter, click over to TMZ.

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PREVIOUSLY:

Charlie Sheen called himself a Vatican assassin. Fitting -- he just killed his show.

CBS announced that, in the wake of his withering attacks on "Two And A Half Men" creator Chuck Lorre, they are canceling production on the rest of the show's season.

"Based on the totality of Charlie Sheen's statements, conduct and condition, CBS and Warner Bros. Television have decided to discontinue production of Two and a Half Men for the remainder of the season," a statement from the studio and network read.

Just Wednesday, the network announced that Sheen had returned to work and that they would film four new episodes. The show had taken a hiatus as Sheen headed to rehab, though he argued with the network over the decision -- and the pay the cast and crew were missing out on.

Sheen, in an interview with Alex Jones and later with TMZ, ripped Lorre in attacks that some saw as anti-semitic.

Sheen told Jones:

"I'm tired of being told 'You can't talk about that, you can't talk about that.' Bull S-H-I-T. There's something this side of deplorable that a certain Chaim Levine -- yeah, that's Chuck's real name -- mistook this rock star for his own selfish exit strategy, bro. Check it, Alex: I embarrassed him in front of his children and the world by healing at a pace that his unevolved mind cannot process. Last I checked, Chaim, I spent close to the last decade effortlessly and magically converting your tin cans into pure gold. And the gratitude I get is this charlatan chose not to do his job, which is to write. Clearly someone who believes he's above the law."

Talking to TMZ, Sheen said, "I violently hate Chaim Levine (Chuck Lorre). He's a stupid, stupid little man and a p**sy punk that I'd never want to be like.