Skip to the right before the end, and then wait out the rest.
Click the extra features button, scroll down to the bottom, and hit the second to bottom button, "Play All."
Nice to Meat You
Start the movie, switch to team meat commentary, and skip to the end. Give it at least 1 minute remaining.
Just click the Facebook button in the extras menu. You don't even need to like the page. Just press the button.
Bonus LevelsDLC NEEDED
Hit "Play All" at the bottom of the special addition list.*
Behind the Scenes
Start the movie, switch to directors commentary, and skip to the end. Give it at least 1 minute remaining.
In the main menu screen (the screen with only items) click on the hanging controller. In this game you must match the game to its character/icon. (Ludonaut has a good guide on this, which can be found below)
*This achievement took me three tries to get it to register.