The 1890s; a picnic in the park. A man is pitching woo to his girl, while behind them a steady stream of ants is methodically devouring and carting off their food. Some other interludes include four ants eating Russian rye bread, then breaking for a Russian dance; a torch singer that sends everyone scurrying for some kind of ear plugs; a chef ant that coordinates the creation of three sandwiches that the humans eat.
On behalf of "oppressed bugs everywhere," an inventive ant named Flik hires a troupe of warrior bugs to defend his bustling colony from a horde of freeloading grasshoppers led by the evil-minded Hopper.
After being put on indefinite leave by his chief of police uncle, the highly intelligent and arrogant huntsman spider Inspector Sun boards a San Francisco bound seaplane.
A platoon of ants set out to save their community in the midst of a severe drought, but the hilariously inept Arnie and Barney – who are not cut out for heroics – decide to tackle the problem themselves.
Convicted killer Jim Holden is rescued from the sheriff by his gang, led by Mason and Riley. He is out to get the Hathaway Stage superintendent George Bannister, who was responsible for his conviction and learns the Bannister, his niece (Kay) and Hal Hathaway, son of the stage line owner, are on a cross-country stage.
The owner of a cosmetics factory has made a contract with Radio Sibilla for the transmission of an evening program in which the products of his company are advertised.
A young bullfighter full of illusions triumphs in Mexico and decides to get married there and forget about his old Spanish girlfriend, who by then has just given birth to his son.
The millionairess aunt of Errol's previously married wife is coming to visit, and since the aunt is dead set against divorce, the wife prevails upon Errol to pose as the butler, and brings back her inebriated first husband to pose as her current mate.