Lethal Weapon 4 (1998) delivers the high-octane, buddy-cop finale that fans of the series crave. Directed by Richard Donner, this installment finds LAPD detectives Martin Riggs (Mel Gibson) and Roger Murtaugh (Danny Glover) older but not wiser, grappling with impending fatherhood and retirement while taking on a ruthless Chinese triad smuggling immigrants and attempting to free their leaders. The plot thickens with the introduction of Detective Lee Butters, played by a scene-stealing Chris Rock, and the return of Leo Getz (Joe Pesci), adding comedic chaos to the explosive action.

The chemistry between Gibson and Glover remains the film's beating heart, balancing wisecracks with genuine pathos as their characters face mortality and family. Jet Li makes a formidable Hollywood debut as the silent, lethal villain Wah Sing Ku, elevating the fight sequences with his martial arts prowess. While the screenplay juggles multiple subplots—from a counterfeit ring to personal dramas—it maintains the franchise's signature blend of humor and violence.

Critics noted a slightly lower IMDb rating of 6.6, reflecting franchise fatigue, but for action enthusiasts, this is a must-watch. The direction keeps pacing tight, and the stunt work is spectacular. Watch Lethal Weapon 4 for a satisfying conclusion to an iconic series, packed with car chases, shootouts, and the camaraderie that made Riggs and Murtaugh legends. It's a fun, explosive ride that honors its roots while delivering pure entertainment.