For the CBS comedy's 100th episode, titled "Girls vs. Suits" (airing Jan. 11 at 8 PM - ET), Harris' suit-enthusiast character, Barney Stinson, enjoys a big musical number singing "Nothing suits me like a suit..."
CBS has posted some behind-the-scenes videos promoting the episode on their website. Here are some sneak looks at the show:
Recording the song:
Choreographing of the musical number:
For more information, visit CBS.com.