From The TV IV

Sonic the Hedgehog is a popular video game character who has starred in is the name of a popular video game which featured the Mario Brothers, Mario and Luigi. They have come to TV in 3 different TV series.

Title	Format	Network	Years
Adventures of Sonic the Hedgehog	Animated	Syndication	1993
Sonic the Hedgehog	Animated	ABC	1993–95
Sonic Underground	Animated	Syndication	1998–99
Sonic X	Animated	FOX	2003–06