The music was difficult to source the rights to and acquire permission to use.[139] (On at least one VHS release of the pilot, The Rolling Stones' song "Miss You" had been replaced by generic rock music.[140]) In the November 2004 announcement for the DVD release of the series, Universal promised that all original music in the series would be intact.[135][141][142] On August 21, 2007 Universal announced the November 13, 2007 release of the complete series, with all five seasons on 27 single-sided DVDs.[143] The seasons are in their own Digipak-style cases, and the set is housed in a faux alligator-skin package.[143] Seasons 1 & 2 contained six single-sided discs, rather than the three double-sided discs in the initial release.[143] The Region 2 version has different packaging, does not use double-sided discs, and although there are no special features stated on the packaging they are contained within the season 1 discs.