Ripley, the sole survivor of the Nostromo's deadly encounter with the monstrous Alien, returns to Earth after drifting through space in hypersleep for 57 years. Although her story is initially met with skepticism, she agrees to accompany a team of Colonial Marines back to LV-426.

French nuclear tests irradiate an iguana into a giant monster that viciously attacks freighter ships in the Pacific Ocean. A team of experts, including Niko Tatopoulos, conclude that the oversized reptile is the culprit. Before long, the giant lizard is loose in Manhattan as the US military races to destroy the monster before it reprod...

Riggs and Murtaugh are on the trail of South African diplomats using their immunity to engage in criminal activities.

Riggs and Murtaugh pursue a former officer who uses his knowledge of police procedure and policies to steal and sell confiscated guns and ammunition to local street gangs.

With personal crises and age weighing in on them, LAPD officers Riggs and Murtaugh must contend with a deadly Chinese crime lord trying to get his brother out of prison.