Harvey Birdman, Attorney at Law is a North American animated television series comedy created by Williams Street that airs on Cartoon Network during its Adult Swim late night programming block. The series' pilot first aired in 2000, and later became a series in 2001. The show revolves around the activity of the Sebben & Sebben law firm, which is staffed mainly by superheroes and other characters who had originally been featured in 1960s-era Hanna-Barbera cartoons, most notably Birdman and the Galaxy Trio. The series had its final episode in 2007.