Best friends Mikey and Max stumble upon an old science kit and discover that some of the animals in the kit are not quite as dead as they seem.

Willy and Zach love their Tiny Town train set but when they boys add a new toy weird things begin to happen. The toys aren't where they were left and the Tiny Town train runs by itself. Is it possible Tiny Town has come to life?

When Nina and Sammy open a strange little door in an eerie old tree they stumble upon in the woods, they have no idea that they are unleashing the revenge of the goblins that live below it.

Catan and Lea attend their family reunion. Bored, they sneak into the attic and find their grandfather's old home movies. They soon discover cows aren't the only creatures grandpa's been taking care of.