Sonic Underground
Friend or Foe? (1x16)
Ausstrahlung: Feb 28, 1999
The band visit the Floating Island in search of their mother. There they meet Knuckles the Echidna, the island's guardian, who has been told by Sleet and Dingo that the Sonic Underground is after the Chaos Emerald.
- Premiere: Jan 1999
- Episoden: 40
- Anhänger: 10