The band, consisting of Jon Lee, Bradley McIntosh, Paul Cattermole, Jo O'Meara, Hannah Spearritt, Tina Barrett and Rachel Stevens, disbanded in 2003.
Taking to their official Twitter account, the members posted a short Soundcloud message saying they'd be "bringing it back" to Children In Need next month, reports Mirror.
"It's official, we're back for BBC Children In Need #sclub7 #bringitallback #sc7," they wrote next to the clip.
BBC Children In Need also confirmed the news on their official account, writing: "@SClub are back! The band will reunite on the BBCCiN Appeal show on Friday 14 Nov."
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