Friends and pranking partners Miles and Niles face a tough challenge when their favorite goat and nemesis, Principal Barkin, is replaced by his stern, no-nonsense father, Former Principal Barkin, who turns the school into boot camp.

Seven-year-olds Bradley, Brian, Nate, and Lucy make observations and gather clues that convince them that their older siblings, cousin, and animals have been captured by hungry space aliens.

A friendly, and customary, practical joke war at the White House spirals out of control when four friends try to out-prank each other.

Sophomore Frankie starts dating senior Matthew Livingston, but when he refuses to talk about the all-male secret society that he and his friends belong to, Frankie infiltrates the society in order to enliven their mediocre pranks.

Dan's mother gets engaged to Hank, a Hugh Jackman look-alike, and she is sending Hank and Dan on a survivalist camping trip in order to "bond."

When a prank war breaks out just before the big overnight class trip, Max plots an uproarious prank involving gunker dragons, duck smugglings and lethal superbeans.

At swim camp, Squish's new friend Basil helps him avoid learning to swim with pranks that sometimes go too far, but the comic book exploits of Squish's idol, "Super Amoeba," help him deal with Basil and conquer his fear.

"A.J. and his friends are starting fourth grade. A new school year means a new teacher, and Miss Banks may be their weirdest one yet. She won't stop playing practical jokes on the class, and A.J. has reached his breaking point. Will he and the gang learn to not fall for their teacher's tricks? Or will Miss Banks prevail as the ultimate prankster?"--

While baby-sitting for practical joker Betsy Sobak, Claudia breaks her leg as a result of one of Betsy's pranks and wants to quit the club, prompting Kristy and the other baby-sitters to teach Betsy a lesson.