VIDEO: Neil Patrick Harris Recreates His 'Munchkin' Voice from DOOGIE HOWSER Days

Neil Patrick Harris stopped by last night's LATE LATE SHOW and told host James Corden that he still re-watches his TV series, "Doogie Howser, M.D" and makes fun of his high-pitched voice back then. Joked the actor, "But finally my testicles dropped and I felt much better!" Watch the appearance below!

Neil Patrick Harris will host the new NBC variety show "Best Show Ever" premiering this fall. A triple-threat performer, Harris most recently seen on the big screen starring opposite Ben Affleck and Rosamund Pike in David Fincher's critically-acclaimed feature film, "Gone Girl." The actor has garnered multiple Emmy and Golden Globe award nominations for his role as Barney Stinson on the hit television series, "How I Met Your Mother," and he won an Emmy for his guest-starring role on "Glee" in 2010.

He recently starred in the title role of "Hedwig and the Angry Inch" on Broadway, earning the 2014 Tony Award for Best Actor in a Musical. Harris served as host of the 67th Academy Awards, the 61st and 65th Primetime Emmy Awards, as well as the 63rd, 65th, 66th and 67th Tony Awards, for which he won four Emmys. Most recently, Harris added the title of author to his list of accomplishments with the release of his autobiography from Crown Publishing, Neil Patrick Harris: Choose Your Own Autobiography.