Odlulu uses the Shadow Puppet Key to create her own living shadows. When her mischievous shadows run off with the key, the Wanderers learn the only way to reattach the shadows is to touch them with the key.
Waldo and Wenda's plan to watch a soccer game in London is interrupted when Odlulu and Fritz use the Key in the Stone to summon a medieval castle in the middle of modern-day England.
It's Halloween time and the Wanderers get a mysterious invitation to Wales, where Odlulu uses the magical Haunted House Key to bring a few of the decorations to life.
Odlulu uses a Wake-A-Troll key to bring two mythical creatures to life; the Wanderers must use their wits and Icelandic troll knowledge to turn the creatures back to rock.
Waldo and Wenda return to Japan for the big Wanderer gymnastics competition, but when Odlulu uses the Flippety Key to become an ace gymnast, it's going to take brains and agility to stop her.
