If you liked this movie, you should also see: Back to the Future (1985)E.T. the Extra-Terrestrial (1982)Solaris (1972)Sleeper (1973)Monty Python and the Holy Grail (1975)
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.