Karen adopts a grandmother from Stoneybrook Manor and learns funny dances and listens to old music.

When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.

Eric and his friends seek the truth about a mysterious, magical snowflake from a flying blue serpent, which Ko will stop at nothing to possess.

"Abby knows a secret about her sister: Eva the star athlete has a boyfriend! That's the last thing Abby would ever want for herself. But when it turns out she has a secret admirer at school, Abby has to ask herself some questions. Who's been sending her all these cards and pictures? And is she really ready for love?"--Publisher.