Merchandising
There have been several tie-in books, and video and DVD releases. The show's theme song, "On the Inside", sung by Lynne Hamilton, reached number one in Australia in 1979, and peaked at number three in the UK Singles Chart in 1989. On the Inside was re-released as a digital download and CD Single in March 2012. The song was later featured as a B-side on punkabilly group The Living End's breakthrough EP, Second Solution/Prisoner of Society which earned some radio play on alternative radio stations, in particular, Triple J.
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