The Flintstone Flyer

The Flintstone Flyer is an episode of The Flintstones.
Barney Rubble invents a flying machine similar to a helicopter. Upon seeing it, Fred Flintstone is unimpressed. calling it an egg beater. Barney demonstrates it, amazing Fred.
Later, Fred decides to take the machine on a test flight. Barney warns him that he's too fat, but Fred ignores him, and is injured when the copter crashes. However, he recovers enough to go to the opera with Wilma Flintstone and the Rubbles. Secretly, he and Barney want to go bowling that same night, and the two men come up with a plan.
Just as the couples are heading out the door, Fred goes into a state of shock caused by the crash. Barney decides to stay home and look after him while the women go to the opera without them. They reluctantly do so, and once they're gone, the men fly to the bowling alley.
But after the performance at the opera house, Wilma and Betty decide to stop at the bowling alley, and call home to check on Fred. Fred and Barney see them there, and disguise themselves by using broom straws for fake mustaches. When the wives spot them, they hit them with their purses, but realize they "mistook" two other guys for their husbands. The men decide to beat them home, and make it look like they never left the house. When Wilma and Betty return, they see Barney reading Fred a bedtime story. Unfortunately, Barney forgot to remove his false mustache, and the wives exclaim, "It WAS them!" They immediately assault them again, and they run outside and use the Flintstone Flyer to get away. Wilma and Betty decide to wait them out by playing cards, knowing they'll have to come down eventually.