Dinosaurs: In "Network Genius", one show Earl tests out is Dr. Marcus, M.D., a parody of Marcus Welby, M.D.. Upon viewing it, Earl thinks the show should instead star Baby Cuddlebunny, and has it retitled Baby Cuddlebunny, M.D., with the format being a parody of Doogie Howser M.D., while Baby Cuddlebunny himself is a parody of Dinosaurs' own Baby Sinclair.
Rugrats (1991): The infamous episode "Angelica Breaks a Leg" features a young doctor named Hogie Dooser, who mixes up the x-ray of the uninjured Angelica with a football player whose foot is facing the wrong way.
Family Guy: The ending of "Fifteen Minutes of Shame" has Meg writing in a journal on her computer a la Doogie's complete with a soundalike instrumental of the theme song.
The Simpsons: "Bart The Murderer" has the family watching a TV movie about Bart starring lead actor Neil Patrick Harris (introduced as "television's Doogie Howser") as Bart.