"Scorched" is the 11th episode of the second season of the American television series Numb3rs. Marking the first produced script for series writer Sean Crouch, the episode features Federal Bureau of Investigation (FBI) agents and mathematicians investigating a series of arsons that may have been started by an ecoterrorist group. Bill Nye "The Science Guy", who is a fan of the show, guest stars as a colleague of scientists Dr. Charlie Eppes (David Krumholtz) and Dr.