These early episodes numbered a total of 87 episodes, with the producers using the production codes CP001 to CP087; the later 30 episodes, from the second generation of the series, were produced in colour between 16 September 1974 and 11 July 1975.
These early episodes numbered a total of 87 episodes. This was with the producers using the production codes CP001 to CP087. The later 30 episodes were produced in colour between 16 September 1974 July 1975. This was from the second generation of the series. The later 30 episodes were produced in colour between 11 July 1975. This was from the second generation of the series.