Reality Bytes

Randy starts a romantic correspondence with a woman in St. Louis on a computer bulletin board, presenting himself as a 32-year-old dermatologist rather than a 12-year-old, but his bluff is endangered when she decides to come meet him. Meanwhile, Tim helps Mark with his science project, but has to fight the urge to do it all himself. Also, Tool Time gets a visit from the crew of the Space Shuttle Endeavor (STS-61).