Listen to this video and it'll explain how to view the 1000 sub special video.

For those who cannot click annotations I have links to each video below.

Dance To Lucky Star - https://www.youtube.com/watch?v=FJ8iLk6JdyE
Gaming With Speech Jammer - https://www.youtube.com/watch?v=GUlMCWdXu88
React To Pinkie's Prank Call - https://www.youtube.com/watch?v=PLZH2gL1Ksk