The Big Melt

The Big Melt is the 35th episode of Sonic Underground

Plot
What started as a fun vacation for Sonic, Sonia and Manic gets ruined by Dr. Robotnik when he comes up with his most original plan yet: melt the polar ice caps. Things will be hard for the Sonic Underground when Sonia gets split up from the group and mistaken for Queen Sauna by a group of penguins who are having troubles of their own.

Song

 * Fun In the Sun