Star TrekSeries 2Episode 20: Return to TomorrowBBC Two Duration: 50 minutesFirst broadcast: Sat 12th May 2007, 02:00 on BBC Two WalesLatest broadcast: Sat 12th May 2007, 02:00 on BBC Two Northern IrelandClassic sci-fi drama series. After receiving a message from a devastated planet, Kirk and Spock unwittingly beam down into a dangerous situation.ContributorsCaptain James Kirk:William ShatnerMr Spock:Leonard NimoyDr `Bones' McCoy:De Forest KelleyScottie:James DoohanUhura:Nichelle NicholsGenresDramaSciFi & FantasyBrandStar TrekSeriesStar Trek: Series 2 Source: BBC Online