Spanky and Alfalfa plot to play hooky so they can go fishing, by pretending that Alfalfa is sick and Spanky should stay with him while the parents are away. But Spanky's mom, knowing the truth, turns the tables by insisting they also watch Spanky's little brother. But taking care of little brother turns out to be more difficult than they expected.
Spanky and the gang discover a demonstration of a "human-like" robot named Volto and are inspired to create a robot themselves to do their chores for them. Slicker Walburn convinces them they will need "invisible rays" to bring it to life which he just happens to have to sell to them. As they rush off to get their money, Slicker gets Boxcar Smith to wear the robot's outer body so when he "brings" the robot to life, it will be Boxcar bringing it to life. The gang unsuspectedly gets their robot to mow the lawn at Froggy's house, but with a signal from Slicker, Boxcar runs amok and mows down everything in his path. Froggy gets to explain what happened to his parents who bust up the fraud and get the miscreants to work with the gang to clean up the mess.
The gang wants Spanky to come out and play football, but he has to make sure his baby sister is asleep first.
Spanky and the Our Gang kids go to battle over pranks with a rival gang.
Joe Cobb is suffering through a toothache as well as having to babysit his little brother Rupert who won't stop crying. Every effort to calm Rupert is undone by an immediate commotion to wake him up. Joe rocks him to sleep, but then the neighbor starts playing his bass fiddle. Joe then rocks the cradle so hard it falls apart, and he trips and stumbles moving Rupert to the baby carriage, which subsequently rolls down hill through traffic with Rupert and a neighbor's monkey enjoying the ride.
Nancy and Sluggo do their bit for the USO.
The gang is participating in a program sponsored by the Golden Age Dramatic League. They present their own fractured version of Quo Vadis. Things go from bad to worse when the neighborhood tough kids disrupt the show. The pie fight is given a new twist by use of some slow motion sequences.
While under a hypnotic spell, Alfalfa thinks he's one of the Three Musketeers and challenges Butch to a duel.
To impress Darla, Alfalfa drinks a concoction of Butch's "dynamite" brew.
The kids from Our Gang have to attend a wedding, and they bring along their flea collection--which gets loose.
Mickey and Froggy are candidates running to be president of the Gang's club. When the vote continues to end in a tie, the club winds up split. Buckwheat then reminds everyone of the lessons learned from Abraham Lincoln when America was once divided.
Froggy plans a dance recital to win over Marilyn.
Alfalfa and the gang decide to turn to a life of crime, but Spanky tries to trick them with a fake burglary.
The kids go to the hospital to visit Darla, who's recovering from a tonsillectomy. Chaos soon ensues.
Darla pretends to like Butch, hoping to motivate Alfalfa into a better performance in the football game against Butch's team.
Alfalfa imagines himself as a western movie hero battling with Butch for Darla's heart.
Spanky and Alfalfa want to do a show based on the "Aladdin's Lamp" story with Darla in the cast, but Darla doesn't want to participate.
The Gang owes 37 cents to Butch, so they try to raise money by rounding up stray dogs for the reward, but nearly get busted for dognapping.
Alfalfa, Butch and Waldo compete for Mayor For A Day. Whoever becomes Mayor gets to take Darla to the Strawberry Festival.
The Rascals have a boxing arena that could pack them in if they could find fighters who would actually mix it up. Harry and Farina notice a rivalry between two very large young kids, Joe and Chubby, that would fill the bill if only the two heavyweights would put aside their gentle natures. Farina gets an idea: tell each of the lads that the other will take a dive in the second round. So the fight begins and the stands are filled; but will the combatants actually throw a punch? Ernie has one more trick up his sleeve to get the fists flying and the crowd on its feet. Sweet science indeed.