Harvey Birdman, Attorney at Law is a comedic American animated television series created by Williams Street that airs on Cartoon Network during its Adult Swim late night programming block. The series’ pilot first aired in 2000, followed by an episodic series in 2001. The show revolves around the day-to-day activities of the Sebben & Sebben law firm (the name of which is a play on “7&7″, an alcoholic beverage), which is staffed mainly by superheroes and other characters featured in 1960s-era animated series produced by Hanna-Barbera, particularly Birdman and the Galaxy Trio.

You can read more about the appearing characters here
Source: Wikipedia

Maybe a quick video of Harvey Birdman from youtube:

As always I do not know how long these links are accessible nor will I provide an alternative download. I merely index what I find on the net. Take what you can or look for yourself and share those links!

Source: miscellaneous links collected from Google Index

Some Phil Sebben “Ha-Ha-Ha” Timeline: