http://www.theatlantic.com/technology/archive/2014/06/the-first-use-of-the-verb-to-google-on-television-buffy-the-vampire-slayer/373599

On an Oct. 15, 2002 episode, Willow says, “Have you googled (http://www.buzzfeed.com/alanwhite/heres-an-important-reminder-that-buffy-the-vampire-slayer-us) her yet?”
Read more at http://www.hitfix.com/tv-tattle#7TqqGeqV2HhRqAKH.99