Clarissa Explains It All is an American teen sitcom created by Mitchell Kriegman for Nickelodeon. Clarissa Explains It All aired for five seasons and a total of 65 episode from March 23, 1991 to October 1, 1994, later going into reruns. In the UK the show was broadcast on CBBC in the 1990's.
The main characters in the show are Clarissa Darling, her family (consisting of her father Marshall, her mother Janet and her little brother Ferguson) and her best friend Sam living in a small suburban town in Ohio. Clarissa also had a pet baby alligator named Elvis whom she kept in a kiddie-sandbox, who would appear sporadically in early episodes.