Star Trek IV: The Voyage Home

A massive extraterrestrial probe arrives in the galaxy, threatening humanity by systematically vaporizing the planet's oceans. Faced with this existential crisis, Admiral Kirk and his loyal crew must undertake a desperate mission to ensure Earth's survival. Their unconventional strategy requires navigating a vessel back through time to retrieve humpback whales, a species long since vanished from the future. As they traverse the temporal divide, the team faces the immense challenge of securing these creatures to appease the mysterious probe and prevent the total annihilation of their home world before time runs out for the human race.