The Hofstadter Isotope
Run Time: 22 mins
Air Date: Mon, 13 Apr 2009
Average Rating: ⭐ 7.6 (44 votes)
CBSSeason 2 - Episode 20
Average Rating: ⭐ 7.6 (44)
A fellow comic book enthusiast's hitting on Penny leads to Leonard and Howard going to a bar's Ladies' Night.