By Grabthar’s Hammer, what a showdown! This week, Jack Bennett (“Never Surrender: A Galaxy Quest Documentary”) looks to prove that 1999’s “Galaxy Quest” is a better movie than the 1982 sci-fi classic, “Star Trek II: The Wrath of Khan.” *** “Galaxy Quest”: Jack Bennett. “Star Trek II: The Wrath of Khan”: Dylan J. Schlender. Judge: The Honorable Big Ben Haslar. Jurors: Ryan Luis Rodriguez, Maynard Bangs, Big Ben Haslar. *** Advisory: Silvana Carranza. Prologue: Kirk R. Thatcher. Original Theme: WT Golden.