History
Unit 1 Witches Everywhere!
Unit 2 Better to Die

Ancient Stories
Unit 3 No Escape
Unit 4 A Painful

Cities
Unit 5 Go With the Flow
Unit 6 Opal Fever

Color
Unit 7 Color me happy!
Unit 8 Color Troubles

Sleep
Unit 9 Be careful when you sleep!
Unit 10 Dream What You Want

Rivals
Unit 11 Order Vs. Chaos
Unit 12 Clash of the Titans

Architecture
Unit 13 Growing UP
Unit 14 Helping Home

Science
Unit 15 Robo-Rat
Unit 16 No Nose Woes

Urban Legend
Unit 17 Bloody Mary
Unit 18 Almost Hooked

Death
Unit 19 The Dance of Death
Unit 20The Frozen