How do I appeal a small claims case? Trials de novo, unlawful detainer trials and video criminal arraignments.Whether you pursue a Trial de Novo is up to you, of course. TR-220, Request for New Trial (Trial de Novo). Copies of the request for a trial de novo must be served on all parties and the request and a proof of service must be filed with the clerk. To begin the process of clearing your record in San Bernardino County, fill out the form below (two parts). TurboCourt guides self-represented litigants through personalized questions online, then creates and files accurate forms to your court.