Most shows produce 22 to 24 new episodes in total each year.
The series produced 65 30-minute episodes in three years from 1989-1991.
Later, after the episode was produced, a different idea came to him.
In all, around 500 episodes were produced during the 26 month period.
The 154 episodes of the series were produced from 1998-2006.
More than 200 13-minute episodes have so far been produced.
On average, 44 episodes were produced per year for 18 years.
The short series did not air often, and only two episodes were ever produced.
Over 60 episodes had been produced by the end of 2008.
By the end of 2008 140 episodes had been produced.
