E1 - 9th Elementary Anti-Alien Squad

Aired: June 25, 2001

Yuri has to fight aliens invading her school, and must wear some kind of yucky alien helmet...

E2 - Boredom, Spaceship and Overgrowth

Aired: September 25, 2001

When Yuri arrives at school, she finds a weird huge mushroom-like thing in the playground.

E3 - Summer Vacation, Borg and Death

Aired: November 25, 2001

Summer vacations have come at last, but Yuri is depressed. She still hates fighting aliens…

E4 - The End of the Beginning

Aired: February 25, 2002

One day, a gigantic alien appears on the school rooftop and won't move from there anymore…