Our 250th episode is a high-octane soda can to the pants when Emily Marsh (“Mystery Science Theater 3000”) gets the convoy rolling behind 1986’s “Maximum Overdrive.” *** Prosecutor: Maynard Bangs. Defense: Emily Marsh. Judge: The Honorable Ryan Luis Rodriguez. Jurors: Ryan Luis Rodriguez, Big Ben Haslar, Dylan J. Schlender. *** Advisory: Silvana Carranza. Prologue: Kirk R. Thatcher. Original Theme: WT Golden.