Osomatsu-kun S01 E71 Mom's a Born Saleswoman?!

"You're seeing way more than double! Try sextuple!"

A mom-and-pop sales-off begins for Mr. and Mrs. Matsuno, when the family learns about Mrs. Matsuno's success in door-to-door sales and their dad's failure. The sextuplets get caught in the middle of their parents' work-focused spat, with an "I Love Lucy"-style (literal) house divided.