Overview: Last summer's blockbuster thriller ""Signs"" made crop circles a household name, though it did little to ease the difficulty pronouncing M. Night Shyamalan. In the movie, the mysterious wheat wonders were created by a race of killer aliens. Tonight's guest, Marshall Masters, says that's a bunch of ""hooey!"" Sure, the crop circles were beamed down by aliens, but peaceful aliens who are trying to send us messages of love and friendship by destroying our food sources. Also on tonight's program: hot women skipping!