234 episodes aired during that decade.
429 at the start of 2009449 by the end of 2009
While technically no one can know how many episode were literally made in 2009, 20 new episodes aired in the calendar year.
So far, there have been 412 episodes aired (in Japan), but only 167 episodes have been dubbed. Which means, 167 episodes have been aired in America.
According to Simpsons Wiki, In 25 Seasons, she's appeared in 56 episodes
None, the Simpsons as a series didn't air on T.V. until 1989
At the end of 2012, 516 episodes had aired.
22
429 at the start of 2009449 by the end of 2009
180 episodes aired over 9 seasons.
While technically no one can know how many episode were literally made in 2009, 20 new episodes aired in the calendar year.
As of June 2015, 25 seasons have aired.
409
So far, 91 episodes have been aired. By the end of season 6, and the series finale, 103 episodes would have been aired.
So far, there have been 412 episodes aired (in Japan), but only 167 episodes have been dubbed. Which means, 167 episodes have been aired in America.
According to Simpsons Wiki, In 25 Seasons, she's appeared in 56 episodes
5
None, the Simpsons as a series didn't air on T.V. until 1989