Alien Nine - Season 1
1 - 9th Elementary Anti-Alien Squad
Air Date: June 25, 2001
Yuri has to fight aliens invading her school, and must wear some kind of yucky alien helmet...
2 - Boredom, Spaceship and Overgrowth
Air Date: September 25, 2001
When Yuri arrives at school, she finds a weird huge mushroom-like thing in the playground.
3 - Summer Vacation, Borg and Death
Air Date: November 25, 2001
Summer vacations have come at last, but Yuri is depressed. She still hates fighting aliens…
4 - The End of the Beginning
Air Date: February 25, 2002
One day, a gigantic alien appears on the school rooftop and won't move from there anymore…