Worlds Apart is the fourth studio album by the Canadian neo-prog band Saga and was originally released in 1981. The album was produced by Rupert Hine, and has been released with several different covers. Frontman Michael Sadler stated in the band's video DVD Silhouette (2002) that Hine told him to stop "singing like a choir boy". Sadler's vocal style was noticeably different on Worlds Apart than on the first three Saga albums; he kept that style in successive performances with the band. Hine reportedly had Sadler climb to the roof of the English barn where the band was recording in order to get the proper emotion from Sadler for "On the Loose".

Saga is a Canadian rock band from Oakville, Ontario. Bassist and keyboardist Jim Crichton and Welsh-born vocalist and keyboardist Michael Sadler are the principal songwriters.