Alex the lion is the king of the urban jungle, the main attraction at New York's Central Park Zoo. He and his best friends—Marty the zebra, Melman the giraffe and Gloria the hippo—have spent their whole lives in blissful captivity before an admiring public and with regular meals provided for them. Not content to leave well enough alone, Marty lets his curiosity get the better of him and makes his escape—with the help of some prodigious penguins—to explore the world.
In the year 2035, convict James Cole reluctantly volunteers to be sent back in time to discover the origin of a deadly virus that wiped out nearly all of the earth's population and forced the survivors into underground communities. But when Cole is mistakenly sent to 1990 instead of 1996, he's arrested and locked up in a mental hospital. There he meets psychiatrist Dr. Kathryn Railly, and patient Jeffrey Goines, the son of a famous virus expert, who may hold the key to the mysterious rogue group, the Army of the 12 Monkeys, thought to be responsible for unleashing the killer disease.
A sinister corporation loses control of a house cat infected with a genetically-engineered virus. The death-toll rises during the mutant feline's rampage, and eventually, it finds its way on board a ship of a criminal king-pin.
A zoo veterinarian gets caught up in a grisly adventure as she finds herself leading the city-wide hunt for a monstrous lion terrorizing the Dutch capital of Amsterdam.
A wildcat escapes from the zoo, disguises herself as a skunk to fool her pursuers, but that only attracts lovestruck Pepe le Pew.
Panic grips a small community after a tanker truck crashes through a fence at a wild animal park, freeing dozens of dangerous beasts.
A tiger escapes from a circus truck as it passes by a small town, and hides itself in the surrounding woods. This throws the town into a panic and everyone wants the animal killed immediately, except for the daughter of the sheriff. She wants to capture the tiger and put it in a zoo, thereby saving the tiger's life. Her determination starts a nationwide campaign among children to raise the money to buy the tiger from the circus, but first, she, her father and an Indian tiger trainer must find the tiger before the National Guard do, who have orders to kill it on sight.
A young boy lets the animals out of their cages at the Zoo, to set them free, but the animals start taking over the town.
In this Pete Smith Specialty short, two lion cubs escape from the zoo and go on an adventure.