Go to the chapter menu, and use the [Down] arrow key on your remote control to scan through chapters [1-4] in successive order. Use the [Right] arrow key to move from chapter [4] to chapter [8] and then press [Righ again. This will highlight in yellow "8 1/2 - Hidden Chapter". Play this and a segment, in which Leonard Nimoy discusses one of the early jobs he had while as a struggling actor, working in a pet store as a "fish doctor", while William Shatner discusses scuba diving and the erosion of coral reefs, will play.