Reuploaded to include Mastermax! Here we have them react/watch a video called Muffins.pon by Silly Filly Studios! I remember watching this with Alex and group of friends during the Silly Filly Studio panel on BronyCon.
Enjoy!

Original Video: Muffins.pon - Silly Filly Studios
https://www.youtube.com/watch?v=FCLe9SIus5Y

Ratchetness Channel: https://www.youtube.com/user/ratchetness

Mastermax888 Channel: https://www.youtube.com/user/Mastermax888

Alex Side Channel: https://www.youtube.com/user/mlpwarrior1302

My Twitter: https://twitter.com/Lobo_NOX1313

Outro Song: JB - Autumn (Original Mix)
https://www.youtube.com/watch?v=z5mjrvlDd9E