A day after reports surfaced that the prison break seasons CBS show would maintain a closed set for the actor’s first week back, TMZ reports that a warning memo was also sent to “Men?a>?? staffers.

The memo warned staff member buy prison break dvd not to reveal information about any set or production office activities. If they do, they will be fired.

Despite the memo, sources revealed that Sheen is being accompanied by a sober coach on set. No news on whether this is the same coach The L Word dvdwho was present when Sheen and wife Brooke Mueller got into the Christmas day fight.

Sheen returned to work on “Men” Tuesday, aThe L Word dvds day after heThe L Word Collection pleaded not guilty The L Word dvd box setto domestic violence charges relating to the fight.

The CBS show is regularly scheduled to tapeThe L Word dvd seasons in front of a live studio audience Fridays, but RadarOnline.com reports this week’s filming willThe L Word box set take place on a closed set.

Sheen, who is the highest-paid sitcom star buy The L Word dvdat $900,000 an episode,Supernatural DVD attends rehab in theSupernatural DVD Collection evenings.

His three-day trial is scheduled to Supernatural DVD Seasonsstart July 21.