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TV/Sonic Underground is a Parody with Sonic Underground sounds and TV clips.
- Sonic as Himself
- Duncan (Total drama) as Manic
- Rosie (from Thomas and Friends) as Sonia
- Bowser (from Mario) as Dr. Robotink
- Beavis as Sleet
- Butthead as Dingo
- Gepetto (from Pinnochio) as Uncle Chuck
- Mario as Knuckles
- Top Hat (from TUGS) as Bartleby
- Bart (from The Simpsons) as Cyrus
- Chris (from Family Guy) as Trevor
- Meta Knight (from Kirby) as Athair
- and more