THERE ARE SOME people who believe that no great sitcom exceeds a dozen episodes.
This year, The Big Bang Theory reached its 200th episode, long surpassing that fabled number 12 along with other televisual disasters like Friends, Dad’s Army, The Office: An American
Workplace, Peep Show, Porridge, Steptoe And
Son, Roseanne, Only Fools And Horses, Seinfeld,
The IT Crowd and Cheers. It was a pretty good episode, too, maintaining the show’s unique balance of warmth and waspishness while adding a note of unexcessive self-celebration.
The show’s initial premise was an interesting one that seemed hard to sustain — a group of nerds, who were scientists by day, spend the rest of their time obsessing about Star Wars, Star Trek, comics and girls. Leonard (Johnny Galecki), Howard (Simon Helberg), Raj (Kunal…