Sheldon: I was analyzing our lie, and I believe we're in danger of Penny seeing through the ruse.
Leonard: How?
Sheldon: Simple: If she were to log onto www.socialphysicsgroup.org/activities/other, click on "Upcoming Events", scroll down to "Seminars", download the PDF schedule, and look for the seminar on molecular positronium, well then, bippity-boppity-boo, our pants are metaphorically on fire.
