The "Dance Dance Altoonisburg" competition is coming up and Lex, Presley and Munchy are excited to take part. But when an old friend from Lex and Presley's past hires them for a KidDING, their dance crew and friendship is put to the test.

Mr. Prusko is such a boring teacher that students can't even stay awake in class, so Lex and Presley make a deal to make him cooler in exchange for good grades, but Mr. Prusko becomes too cool and is now known as Mr. P.