The second series comprises six episodes and began on 27 October 2011.

Series 3 will comprise 15 episodes of around 10 minutes each.

Each comprised four half-hour episodes with few changes from the book.

Series 1 comprised 4 episodes and was released in 2010.

The series comprised 216 episodes, each 12-14 minutes long, and had a total duration of 29 hours.

Two series were made between 1988 and 1989, comprising 13 episodes in total.

The series comprised four episodes, each 45 minutes long, and only broadcast once.

Two series were produced, comprising 32 episodes with a running time of 50 minutes.

This season ran through June 1962 and comprised 33 episodes.

The fourth season began on July 9, 2006 and comprised 14 episodes.