Dan and Roseanne disagree about where to spend a romantic 15th anniversary; Becky refuses to dissect a frog in biology class; Darlene finds her paper route more than she can handle.

NOVA looks at the bongo-playing scientist, adventurer, safecracker and yarn-spinner Richard Feynman, most recently famous for his role as gadfly of the Presidential Commission investigating the explosion of the space shuttle Challenger.