In "Helping Hand", Yumi's hands are numb and Ami is her helping hands until she gets better. In "Neat Freak", Ami is obsessed with keeping the bus neat and tidy, at Yumi and Kaz's expense. In "Hypno Kaz", Kaz calls a hypnotist to cure Yumi of a bad habit of hers, but the hypnotist inadvertently hypnotizes Kaz instead.
In "Ski Sick", Ami and Yumi hit the slopes, despite Yumi's inexperience with skiing. In "Claw and Order", Kaz to get the two cats a scratching post to stop their scratching up of everything. In "Janice Jealous", Ami and Yumi try to win Chad's heart to outsmart his girlfriend, Janice.
In "Run Cat, Run", Kaz enters Jang Keng and Tekirai in the cat races. In "Driving School", Kaz and Yumi compete with each other to see who is the better driver, so Ami sends them to driving school to settle this. In "Record Breakers", Ami and Yumi compete with each other to set a new world record.