Kaz has a party in a hotel room and doesn't invite Ami and Yumi, now the girls try to sneak into the party.

Kaz books a ski trip for him, Ami and Yumi. Yumi wasn't a good skier so Ami signed up Yumi for ski school so she could get better But Yumi gets mad and lies to Ami and says that she passed. Ami finds out she didn't and Yumi said there were monkeys and little kids in the class. They start fighting and then start rolling down the hill. Meanwhile, Kaz is trying to skate across a frozen lake. While rolling down the hill, Ami and Yumi crash into the cabin and break all the bones in their body. In the end, Kaz uses Ami and Yumi as skis to ride down the mountain. The name is a reference to Seasick.

Ami's bad attempt at and album cover is discovered by an art critic who suggests to Ami that she should become an artist.

Kaz is tired of how Ami and Yumi are playing, so he seeks the help of phantom rocker, Johnny Ghost. Ami and Yumi then get trapped in his haunted mansion.

Ami and Yumi have to stop other people seeing an embarrassing photo of Ami in the newspaper.

While focusing on Puffy AmiYumi, Harmony is disturbed by a member of the Junior Tapeworms and she soon becomes a member and is always getting a badge for every achievement she does.

Ami, Yumi and Kaz are too old to be rocking and need to find other enjoyable things to do.

The girls go to a prom in the jungle, but are in danger of missing it.