It was a ninety-minute special that aired over a two-hour time slot. Prior to the special airing, a Star Trek Viewers Choice Marathon aired in most markets. Some markets aired the full version of the documentary, while others aired an abbreviated version. The show featured clips from the Original Series and the Next Generation and showed behind the scenes clips from both Star Trek IV: The Voyage Home and Star Trek VI: The Undiscovered Country. LeVar Burton also gave a brief tour of NASA's Space Camp.