Cassettes of the actual radio episodes first appeared in 1989.

She also appeared in various radio episodes of Dad's Army.

At least 69 radio episodes are known to exist.

It started a year ago and serves as the home for a series of radio episodes, or podcasts, broadcast on the Internet.

The radio episodes ended with one or the other of them making a corny joke about the adventure they had just completed.

The book was adapted from the first four radio episodes.

However, all further animations and radio episodes were cancelled in 2008.

Each radio episode features guest voices from the anime series.

The same archive also has several of the radio episodes.

A one-off radio episode was broadcast on 3 November 2006.