Clarissa Explains It All was an American situation comedy television series from Nickelodeon starring a then unknown Melissa Joan Hart. Sixty-five episodes were shown during the five seasons. The teen sitcom ran from March 1, 1991 to December 3, 1994. In the series, Clarissa, a teenager, breaks the fourth wall and describes the things that are happening in her life (dealing with typical teen concerns such as school, pimples and an aggravating little brother) to her…