. . . "\"Sonic Tonic\" is the fifteenth episode of the Sonic Underground television series. It first aired on 24 February 1999 in France and on 17 September 1999 in the United States. It was included in Volume 1 and Sonic Mega Mix."@en . . . . . . "Bug!"@en . "Friend or Foe?"@en . "--02-24"^^ . . "Transcript"@en . . "Sonic Tonic"@en . . "1"^^ . "Main page"@en . "Sonic Tonic (episode)"@en . "1999-09-17"^^ . . "15"^^ . . "\"Sonic Tonic\" is the fifteenth episode of the Sonic Underground television series. It first aired on 24 February 1999 in France and on 17 September 1999 in the United States. It was included in Volume 1 and Sonic Mega Mix."@en . "The title card for \"Sonic Tonic\"."@en . . "Sonic Underground"@en .