Star Trek IV: The Voyage Home
Still on the planet Vulcan (where audiences last saw them at the end of The Search for Spock), Kirk, McCoy, Scotty, Sulu, Chekov and Uhura prepare to head home to receive their comeuppance for stealing the Enterprise and taking it to the forbidden Genesis planet. Spock, who has been recuperating from the fal-tor-pan procedure that restored his katra to his physical body, decides to accompany them so that he can testify at their court martial proceedings. But as their ship nears Earth, they receive an emergency transmission, warning all incoming vessels to steer clear of Earth. The reason: a mysterious alien probe has rendered all nearby ships and planetary defensive systems powerless, and is now wreaking havoc on the biosphere.
In 2286, the Klingon Ambassador to the Federation tried to extradite James T. Kirk to the Klingon homeworld for crimes against his people, which included the theft of a Klingon vessel. The Ambassad...