As of March 2008, over 3,000 episodes have been produced, each 30 minutes in length.
Over 40 episodes were produced, each of 3-9 minutes in length.
Each episode of the series was 1 hour long, and produced by a different production company.
Also, Each episode produced has the budget of approximately $750,000.
There are two series of 26 eleven minute episodes produced between 9 February 2003 and 2004.
With no further episodes produced or announced, the show was apparently canceled after its only season.
Overall 40 episodes were produced, ten in each of the four series.
Forty episodes of the program were produced, each at twenty-two minutes.
In all, 57 episodes were produced, filmed between 1977 and 1981.
The third season saw only three episodes produced, which were later added to season two.