School field day is coming up and Boris and his friends are practicing hard because they are determined not to let Eddie win again, but on race day Boris is forced to choose between winning and friendship.

The latest monsters threatening Stermont Elementary are shadowy shapeshifters that attach themselves to people, eat their shadows, and block out all light--but before he can think of a way to deal with them, Alexander has to deal with a startling revelation from his friend Nikki.

Clyde is a hyperactive kid, and his twin sister, Claudia, does her best to keep him out of trouble--but after a class field trip to the science museum, and a zapped banana, he suddenly finds that excitement transforms him into a real monkey, which may help him catch the thief who took the golden monkey.

Ever since he ate a zapped banana, hyperactive second-grader Clyde turns into a monkey when he gets excited, so when his twin sister Claudia plans to take her "monkey" to the school pet show and all the animals are pet-napped, Clyde has to use his inner monkey to rescue them.

A heavy snowstorm traps the students inside Eerie Elementary, a living, breathing monster brought to life by mad scientist, Orson Eerie--soon the school begins to freeze from the inside out, and Sam, Lucy and Antonio must find a way to get the heat back on before all the students freeze to death, while facing the truth that Orson Eerie is even more powerful and dangerous than they realized.

Lalo the baby lightning dragon has been taken by Eko, a rogue Dragon Master, who ran away with her thunder dragon years before--now she is back looking to make allies of the other dragon masters, and so gain control over all of the dragons in Griffith.