"Scrap Brain Zone - Sonic the Hedgehog" is a high quality rip of "Scrap Brain Zone" from Sonic the Hedgehog. It was originally uploaded to the GiIvaSunner channel on March 9, 2016.
At 0:02, the rip becomes a mashup with the H3h3Productions Theme Song. At that same time, it's Ethan Klein from h3h3productions, popping out and doing his dance.
This was the first appearance of the h3h3Productions theme song on the channel.