|Country of origin|
|No. of episodes||55|
|Running time||11 minutes|
|Original release||16 September 1999 –|
12 April 2001
Rotten Ralph is also the first book in the series, a 32-page picture book published by Houghton Mifflin of Boston in 1976. It was the first published book for both Gantos and Rubel.
There was a children's television series by Cosgrove Hall Films, Tooncan Productions and Italtoons Corporation based on the books, first broadcast on CBBC from 1998 to 2001. It also went to air on Nickelodeon in the UK too, around 2000. The show hasn't been aired in the UK since reruns ended in 2005. The show aired in the United States on the Nickelodeon in 1999–2001. The voice cast were recorded in Los Angeles and the animation was done in Manchester.