A.J. and his friends launch their own investigation when they get stuck with weird substitute Ms. Todd, and begin to suspect she has kidnapped their regular teacher in order to take over the job.
A.J., a reluctant participant in his school's gifted program, discovers he is a natural at writing poetry which only reinforces his teacher's opinion that he is a genius.
Mr. Cooper's class is getting a pet! Alexia hopes it is something cool, like a snake. But is she ready to take care of the pet, or will it be one weird mess?.
Mr. Docker, a new science teacher, is a crazy inventor who blows things up, uses potatoes for power, and has A.J. and his friends wondering whether science is for nerds or is the coolest subject ever.
Tired of following the strict rules of their grumpy replacement principal, second-grader A.J. and his classmates try to find a way to bring back eccentric but lovable Principal Klutz, who was fired for bringing a wild turkey to the school's Thanksgiving Day assembly.