Clarissa Explains It All is an American teen sitcom created by Mitchell Kriegman for Nickelodeon. In the series, Clarissa Darling, played by Melissa Joan Hart, is a teen girl who addresses the audience directly to describe the things that are happening in her life; dealing with typical pre-adolescent concerns such as school, boys, pimples, wearing her first training bra and an annoying little brother. Wikipedia
Marshall Darling: Your mother and I aren't fighting. We're having a discussion.