This week, author Jeremy Bates (“World’s Scariest Places” series) takes refuge in the courtroom to defend the 2008 mumblecore horror film, “Baghead.” *** Prosecutor: Dylan J. Schlender. Defense: Jeremy Bates. Judge: The Honorable Maynard Bangs. Jurors: Big Ben Haslar, Ryan Luis Rodriguez, Robb Maynard. *** Advisory: Silvana Carranza. Prologue: Kirk R. Thatcher. Original Theme: WT Golden.