Granny and Precious are on a picnic. Granny is cooking the pancakes and Precious is eating. Granny accidentally snares a thief with her butterfly net. Believing that he is homeless, she calls the police. The crook, who is running from the law, threatens them till Precious leads the crook into a hiding place... filled with dynamite...
Granny is crowned "Queen of the Road" despite some cheating competition. Granny and Pupp are building a fast car to race with. They need the prize money. Two crooks want to win the money, too, and they're willing to do anything crooked to win. Granny has a trick up her sleeve: an eight-barrel carburetor. Her car is so fast that it knocks two minutes off the world record.
Granny and Precious have boarded a train for Juniper Junction for a day of camping fun, but the conductor takes Precious away from Granny to be placed in another car where all the animals board. The conductor tries his best to make life bad for our Precious, but he's in for a real surprise when Precious has a plan of his own and outsmarts him with hilarious results.
A flying saucer with two Martians on board invade the bears' territory. They tie a rope to Paw and, hanging him under their saucer, fly to Mars. On Mars, they run him through a "Smart Machine." Paw becomes an electronic monster, steals their flying saucer and flies home. He lights up so brightly that Maw puts him under a lampshade and uses him for a table lamp.
A professor at National Laboratory has invented a new serum- one that brings 'em back to life. He injects a preserved prehistoric bird, and it comes to life... only it grows to giant size and keeps growing, stepping on people and stomping bridges. The mayor sends for Atom Ant, but the professor and the bird are "birds of a feather" and stick together.