Lilly loves everything about school, especially her cool teacher, Mr. Slinger. But when Lilly brings her purple plastic purse and its treasures to school and can't wait until sharing time, Mr. Slinger confiscates her prized possessions. Lilly's fury leads to revenge and then to remorse and she sets out to make amends.

Ruby wants to get back at her brother Roosevelt because he played tricks on her and her friends at her last slumber party.

Tired of being left out of everything, Classroom 13 itself puts out a bowl of cursed candy on Halloween that changes everyone into the costume he or she is wearing.

Haroun, the cat, likes nothing better than to spend his days sleeping in the sunlit courtyards of Damascus. But one thing always ruins his sleep: jasmine! Haroun can't stand the sweet-scented flowers. Their pollen sends him into fits of sneezes! So one day, Haroun hatches a plan to fix the problem. But little does he know that in doing so he deeply angers the Jasmine Spirit who plans her revenge in her own crafty and hilarious way.

Brain and Francine devise the perfect plan to get even with Muffy after she bribes the judges at the science fair.

After releasing a captive genie from a bottle, a poor fisherman must rely on his wits when instead of wishes the genie promises revenge.

When Kara decides to host the next sleepover, her brothers promise to ruin the party unless she agrees to be their slave, but when Kara's friends discover what is going on, they decide to help Kara get even with her brothers.