In an attempt to save from the destruction that will face it, Admiral James, a great scientist, who by the help of his courageous team, has traveled across time to the period of 1986 in San Francisco, where he can find the only one who can stop that disaster from happening, the thing that challenges him.
A bit flimsy to be legitimately counted as "great" Star Trek, but aware enough of its characters and their attachments to each other and the audience that it's "fun" Star Trek.
the bad guys... are really my countrymen so... still great though
Rita Kempley
Washington Post
January 01, 2000
A happy, heartfelt chapter that reunites the original cast with the original TV format, shying away from the cold and epic scale of the preceding movie adventures.
...Kirk has finally reached his full lounge lizard potential (it's as if the comedy has freed him from his remaining inhibitions).
Stephen Garrett
Time Out
January 26, 2006
Kirk & Co return to present-day San Francisco to save the whales in the most enjoyable film of the series so far, also returning to the simplistic morality-play format that gave the original TV series its strength.
Mr. Nimoy directed this Star Trek installment, and indeed he should probably direct all of them. His technical expertise leaves much to be desired. But his sincerity is unmistakable, and it counts for a lot.
If most movies today are doomed to be sure-fire, presold properties--with ideas leached from our recent TV or cinematic past--let's hope they're all as good at the game as "Star Trek IV: The Voyage Home."