HOW I MET YOUR MOTHER “Woooo!” (Season 4 Episode 8) November 13, 2008 How I Met Your Mother First Look at HOW I MET YOUR MOTHER Season 4 Episode 8, “Woooo” airing tonight, November 17, at 8:30pm on CBS. You can read all our How I Met Your Mother coverage. Episode Synopsis: “Woooo!” – Robin rediscovers the “Woo Girls,” a group of single girls who like to go out and party. Meanwhile, Ted pitches Barney a design for his company’s new headquarters, on HOW I MET YOUR MOTHER, Monday, Nov. 17 (8:30-9:00 PM, ET) on the CBS Television Network. Jamie-Lynn Sigler guest stars. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)