Dennis tries to return Beanotown to its glorious self; Dennis plans to rescue Gnasher and Gnipper.
Dennis and his friends end up on stranded desert island.
Curly becomes close with Walter.
Dennis gets a severe case of the hiccups.
Dennis tries to behave on Mother's Day.
A visit to the hospital leads to a case of mistaken identity; Dennis' attempt to get a new bike gets Dad fired from his job.
Dennis fakes being ill.
Gnasher swallows a canister of laughing gas; Dennis tries to reclaim his Mum's new curtain material.
Dennis has to rescue Bea from a bouncy castle that floated into the sky; Dennis receives an award for his apparent enthusiasm for recycling.
Dennis devises a plan to get rid of the residents of Beanotown.
Dennis tries to prevent any buyers from purchasing his house.
Dennis takes control of the school; Gran hurts her foot.
Dennis and Gnasher enter a dog show.
Dennis ruins Bea's hobby horse; Dennis is grounded.
Dennis trains to be a first-aider; Dennis attempts to be in two places at once.
Dennis discover he is a descendent of the lost Warrior Tribe of Beanotown; the Ratbucket tickets.
Dennis challenges Walter to a football game in the park; Walter takes up origami.
Mr. Har Har tries to save his shop.
Dennis uses Pie Face's weakness for pies as strength; Dennis and his friends make their own pool.
Dennis and Walter make robots for a school project; Dennis, Gnasher and Dad go camping.
Mum attends a yoga retreat, leaving Dennis and Dad home alone; Dennis needs to beat Walter at a a computer game.
Dennis tries to bathe Gnasher and ends up wrecking his mum's garden; Dennis mistakes the Colonel for a vampire.
Dennis gets inspired to be a private detective; Dennis and friends decide to make their own alien film.
Dennis gets determined to give thanks to his relatives for all past gifts; Dennis meets his match.
Dennis teaches Pie Face to help him win the school dance competition; Dennis and pals try to reclaim Beanotown Park.
Dennis tries to win the school prize for Best Behavior; Dennis helps out at his Dad's old school reunion party.