*These are recreations, so it's not 100% accurate, but very close. Also, this only lets you find for and watch videos.
Get Greasemonkey.
Modern Google Chrome:Get Violentmonkey.
Windows XP and Basilisk/Pale Moon Mypal:Open this Greasemonkey XPI, install the add-on and restart your browser.

Early 2008

Late 2009

Early 2013

Polymer
If you prefer Light Mode or if you're using the 2009 theme, then go to Piped and set the theme to Light.
Go to Piped's main page, and enjoy!
Some background music: