After his African adventure in "Ace Ventura: When Nature Calls," Ace returned to Florida, married girlfriend Melissa (Ann Cusack), and became the doting father of a baby boy. Never one to sit still, Ace’s curious nature took him on another remote case, never to be seen or heard from again.
Now a zookeeper and single mother, Melissa struggled to put the past behind her as she and Ace Jr. (Josh Flitter) created a new life together. Much to Melissa’s chagrin, Ace Jr. has followed in his father’s footsteps, working as a pet detective for fellow classmates' missing pet cases. When a master animal thief abducts a baby panda, Melissa is wrongly arrested for the crime. Ace Jr. jumps into action. Now, with the help of his friends Laura Wilson (Emma Lockhart) and tech wizard A-Plus (Austin Rogers), Ace Jr. must bring the thief to justice.
When the citizens of Liberty, Missouri learn that a corrupt railroad baron intends to force them off their land in the name of progress, a group of young farmers join forces to reclaim what is rightfully theirs. To the corrupt railroad barons, Jesse James (Colin Farrell) and Cole Younger (Scott Caan) are meddlers, troublemakers, and ingrates. But, to the downtrodden folks in Liberty, Missouri, they’re something far different: heroes. Jesse, Cole, and their rough-and-ready gang ride to the rescue of farmers terrorized by the railroad baron’s land-grab scheme.
In the year 3000, man is no match for the Psychlos, a greedy manipulative race of aliens on a quest for ultimate profit. Led by the seductive and powerful Terl (John Travolta), the Psychlos are stripping Earth clean of its natural resources, using the broken remnants of humanity as slaves. After humanity has all but given up any hope of freeing themselves from alien oppression, a young man named Jonnie "Goodboy" Tyler (Barry Pepper) decides to leave his desolate home high in the mountains to discover the truth, only to be captured and enslaved. It is then that he decides to fight back, leading his fellow men in one final struggle for freedom.
Oz Oseransky (Matthew Perry), a miserable suburban dentist, is terrified when he finds out a former mob hitman from Chicago, Jimmy "The Tulip" Tudeski (Bruce Willis), has moved next door to him. When Oz tells his greedy wife about their new neighbor, she forces him to go to Chicago to sell the hitman’s location to the mobsters he betrayed.
The peace and quiet of a tiny tropical atoll in the South Pacific is shattered when a cover scientific-military research operation, code name "Elvis", goes terribly wrong. Leaving alive only the scientist behind the formula and the now disgraced officer in charge - the former out to protect the world from his creation, and the latter, out for revenge.
Ten years later, two young men Arlo (Cuba Gooding Jr.) and Tim Mason (Skeet Ulrich) are in the wrong place at the wrong time and are entrusted with "Elvis." Pursued by assassins who would do anything to claim "Elvis," Arlo and Tim are propelled on the most unexpected and dangerous journey of their lives to return "Elvis" to a military base before time runs up.
Three adventurous brothers, keen on becoming filmmakers, embark on a journey driving around the country filming endangered wildlife. Adrenaline pumping and camera whirling, the boys grapple with a stampede of wild mustangs, fend off a charging moose, and get caught up in a raging river that shows no mercy. Along the way, they discover bravery, self-reliance, and the beauty of brotherhood.