10th Anniversary CNN Heroes
Neil Patrick Harris attends the 10th Anniversary CNN Heroes at American Museum of Natural History on December 11, 2016 in New York City. (Photo by Roy Rochlin/FilmMagic) Roy Rochlin—FilmMagic

Watch Neil Patrick Harris Sing the Theme Song from Doogie Howser M.D.

Dec 19, 2016

At 43, Neil Patrick Harris has a career that spans nearly three decades, but he still hasn't forgotten one of his earliest roles — that is, the teenage medical wunderkind, Dr. Douglas "Doogie" Howser.

During Vogue's "73 Questions" at his Harlem townhouse, between rapping the lyrics to songs from the hit musical Hamilton and revealing How I Met Your Mother's Barney Stinson's best pickup lines, Harris took time to recreate the distinctive theme song for one of the first television shows he's starred in, Doogie Howser M.D.

Harris also noted laconically that in 2016, a grown-up Doogie Howser would most likely be in "rehab."

Watch the full clip below.

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