|"The Big Melt"|
The title card for "The Big Melt".
October 15, 1999
"The Big Melt" is the thirty-fifth episode of the Sonic Underground television series. The episode was written by Len Janson and first aired on October 15, 1999. It was included in Volume 2 and Ready, Aim, Sonic!.
The song performed in this episode is "Fun In The Sun".
The Hedgehogs vacation is interrupted by the news of Robotnik's latest weapon. Sonic, Manic and Sonia must travel to the arctic where the weapon is located. They are shocked as the submarine melts the icy landscape from under their feet. The Hedgehogs then scurry to locate the lethal submarine before the entire planet is completely submerged underwater.