"Men In Black 3" is a science fiction comedy film released in 2012, directed by Barry Sonnenfeld. The story follows Agent J (played by Will Smith) as he travels back in time to 1969 to save his partner, Agent K (played by Tommy Lee Jones), from an alien threat. The film explores themes of friendship and sacrifice while introducing new characters, including Boris the Animal, a villain seeking revenge. In this installment, Agent J teams up with a younger version of Agent K, portrayed by Josh Brolin. Together, they must prevent an alien invasion that could alter the course of history. The film combines humor, action, and special effects, making it a fun addition to the Men In Black franchise.