The Underground Returns

The Underground Returns is the 1st episode of Sonic Underground 2. The fallowing episode is Rock & Sonic.

Characters

 * Sonic
 * Dr. Robotnik
 * Sonia
 * Manic
 * Queen Aleena the Hedgehog
 * Sleet
 * Dingo
 * SWATbots
 * Knuckles (talked about only)
 * Cyrus
 * Tux
 * Joe Sushi
 * Tundra Freedom Fighters

Locations

 * Tundra
 * Robotropolis
 * Emerald Hill Village

Songs

 * Sonic Underground 2 (opening theme)
 * The Underground's return

Plot
At the tundra, the Tundra Freedom Fighters, see that Dr. Robotnik, with Tundra Freedom Fighter leaders Tux and Joe Sushi calling for back up, from the main land.

Cyrus, a head of the main Freedom Fighters, saying the head battlers are gone, and probably captured. Freedom HQ gets attacked by Sleet and Dingo, when rubble hits their airship, with the head battlers in the Freedom Fighters come back, the Sonic Underground: Sonic, Sonia and Manic!

Sonic leads of the battle with a song called: The Underground's return! Sonic and his brother and sister, beat Sleet and Dingo, with the Tux and Joe Sushi offering them a break in the tundra, they except and later head for the Emerald Hill Zone, for a concert.