Crime Mayim Bialik Seeking Joint Custody in Divorce Petition The Big Bang Theory star lists Dec. 21 as the official separation date in her divorce filing By Andrea Billups Published on November 30, 2012 10:00AM EST Share Tweet Pin Email Photo: Imeh Akpanudosen/Getty Mayim Bialik, who announced her split with husband Michael Stone last week after nine years of marriage, has filed for divorce and seeks joint legal and physical custody of their two children. Court documents filed in Los Angeles on Dec. 21 do not list a date of separation for the couple, who are parents to sons Miles, 7, and Fred, 4. Bialik, 36, who stars on The Big Bang Theory cited “irreconcilable differences” in announcing their split in a statement posted on her Kveller.com parenting blog. “Divorce is terribly sad, painful and incomprehensible for children,” she wrote. “It is not something we have decided lightly.” The former Blossom star penned a book on attachment parenting, released in September, titled Beyond the Sling. The couple wed in August 2003 in Pasadena, Calif. Mayim Bialik and Michael Stone Divorcing