If you search for some of the character names from the show Friends on Google you may see some easter eggs. The list of queries include Chandler Bing, Phoebe Buffay, Rachel Green, Ross Geller, Monica Geller, Joey Tribbiani, and Friends glossary.

Here they are:

(1) [Friends glossary] - will show you a random word from the show that is really not a word. Here is one example"

(2) [Joey Tribbiani] - will show you a pizza icon next to his knowledge panel and if you click it, you will see more food pop up and his arms reach out to grab the food.

(3) [Monica Geller] - a cleaning bucket will show up next to her knowledge panel and if you click it, you will see a sponge start cleaning the knowledge panel:

(4) [Ross Geller] - Click the sofa in his knowledge panel and the page will pivot so the sofa can squeeze through the door:

(5) [Rachel Green] - click on the face in the knowledge panel and you will be taken to Google Image search for a query [The Rachel].

(6) [Phoebe Buffay] - you click on the guitar and a cat starts walking around on the footer of the page:

(7) [Chandler Bing - you click on the chair and ducks start walking around the search results:

Forum discussion at Twitter.