A high school band teacher who has outfitted his basement with a life-sized reproduction of the Jupiter Two flight deck and a talking B9 robot from "Lost in Space," is visited by a fellow fan and builder of movie and television prop re-creations.

Rob Klein joins Lisa Whelchel to appraise Vivian Eisenstadt's collection of over 2,000 Wonder Woman items and offers the superfan the chance to trade one of her favorite pieces for an item Rob considers the "holy grail" of Wonder Woman memorabilia.