Jaws (1975)
She was the first
The peaceful community of Amity island is being terrorised. There is something in the sea that is attacking swimmers. They can no longer enjoy the sea and the sun as they used to, and the spreading fear is affecting the numbers of tourists that are normally attracted to this island. After many attempts the great white shark won't go away and sheriff Brody, with friends Hooper and Quint decide to go after the shark and kill it.
 
The Jungle Book (1967)
The Jungle is JUMPIN'!
Disney animation inspired by Rudyard Kiplings "Mowgli" story. Mowgli is a boy who has been raised by wolves in the Indian jungle. When the wolves hear that the fierce tiger, Shere Kahn, is nearby, they decide to send Mowgli to a local "man tribe". On his way to the village, Mowgli meets many animal characters in this musical tale. When Shere Kahn learns of Mowgli's presence, he tracks him down. Remade in 1994.
 
Jurassic Park (1993)
An adventure 65 million years in the making
Scientists develop a means of bringing dinosaurs to life using DNA taken from dino' blood, which has been preserved inside insects encased in amber. Whilst Hammond is showing off his dinosaur 'theme park' to a selected audience a lawyer, mathematician, dino' expert, palaeobotanist and his grandchildren, Nedry (computer expert) disables the security system so that he can make his escape with some stolen embryos. This enables all the dinosaurs to escape their enclosures... Look out the dinosaurs are coming !
 
K-9 (1989)
The extravagant cop Michael Dooley needs some help to fight a drug dealer who has tried to kill him. A "friend" gives him a dog named Jerry Lee, who has been trained to smell drugs. With his help, Dooley sets out to put his enemy behind the bars, but Jerry Lee has a personality of his own and works only when he wants to. On the other hand, the dog is quite good at destroying Dooley's car, house and love-life...
 
Lassie Come Home (1943)
Best friends are forever.
Hard times came for Carraclough family and they are forced to sele forced to sell their dog to the rich Duke of Rudling. However, Lassie, the dog, is unwilling to leave the young Carraclough boy and sets for the long and dangerous journey in order to rejoin him. Remade in 1994.
 
Lion King (1994)
A young lion prince is born in Africa, thus making his uncle Scar the second in line to the throne. Scar plots with the hyenas to kill King Mufasa and Prince Simba, thus making himself King. The King is killed and Simba is led to believe by Scar that it was his fault, and so flees the kingdom in shame. After years of exile he is persuaded to return home to overthrow the usurper and claim the kingdom as his own thus completing the "Circle of Life".
 

Source of information: http://www.rottentomatoes.com, http://imdb.com