* During a practice session at the clubroom, Taichi demonstrates his PhotographicMemory by reading all 100 poems at random, flawlessly, from memory, without looking at the cards.
* Mizusawa's victory over Fujisaki, which secures them the national team championship certainly counts. After losing two matches and it appearing only a matter of time before Fujisaki wins a third match and therefore the entire game, Mizusawa instead manages to pull off three consecutive wins.
** It's also a particular CMOA for Taichi, who after spending so long seemingly unable to progress in karuta, beats an A-class player through clever strategizing--and finally gets a break as far as luck is concerned, since his card is, for once, called in a luck-of-the-draw scenario. The fact that he and Nishida synchronized their final cards, a strategy that Hokuo used to previously defeat Mizusawa, also shows just how much better Mizusawa has gotten at playing as a team.
* Taichi winning against Retro ''by eighteen cards''.
* Arata's [[JackOfAllStats playing style]] in general.
* Hanano standing up to Taichi's mother in Season 3.
** And then Taichi's mother scorns Karuta in front of a group of seasoned players, causing them to deliver a CollectiveDeathGlare that sends the EducationMama packing.
* Shinobu's style is so quick and accurate that the Karuta society refer to matches against her as public executions.