Revenge of the nerds?
Not quite. But geek heaven abounds on CBS' The Big Bang Theory (tonight, 8:30 ET/PT), one of the rare TV sitcoms to employ a physicist.
The science must be working: The freshman series is one of the fall season's few to gain traction, building audience from its How I Met Your Mother lead-in and averaging about 9 million viewers. CBS has already extended the show for a full season.