How I Met Your Mother Easter Egg - Hidden Fight Video from Season 4

1. Insert disc 2 of the Season 4 set of How I Met Your Mother.
2. Go to "Special Features."
3. Go down to the Barney's music video, but don't click it.
4. Go down one more time
5. A previously hidden symbol should be highlighted in blue.
6. Click it, and an extended video of Marshall fighting with his brothers should start playing. It is an extended version of the scene from "The Fight."

Note: If you try to highlight the hidden symbol from below (the back to main menu option) it won't work.