The Cavematsus make another appearance, and the sextuplets try to figure out what's bothering their father.
Cavematsu-san!
!كهفماتسو-سان
Cavematsu-san!
¡Primitimatsu-san!
¡Primitimatsu-san!
Cromagnomatsu-san !
Cavermatsu-san!
Sr. Cavermatsu!