Judge Mablean Ephriam, who presided over “Divorce Court” from 1999-2006 as the first star of the revived version of the show, returns to the courtroom genre with his half-hour series that deals with life and the law. The former Los Angeles-based prosecutor takes on the typical cases that are found on TV court shows. The arbitrator says that her show “will be life because everything we do, it involves the law.”