When a huge alien probe enters the galaxy and begins to vaporize Earth's oceans, Kirk and his crew must travel back in time in order to bring back whales and save the planet.
Verdict: Hit
> Leonard Nimoy (Director)
> Donald Peterman (Director of Photography)
> Nilo Rodis-Jamero (Assistant Art Director)
> Frank Capra III (Second Assistant Director)
> Pat Kehoe (First Assistant Director)
> Douglas E. Wise (First Assistant Director)
> Steve Meerson (Screenplay)
> Peter Krikes (Screenplay)
> Harve Bennett (Screenplay)
> Nicholas Meyer (Screenplay)
> Leonard Nimoy (Story)
> Harve Bennett (Story)
> Gene Roddenberry (Original Series Creator)