Series 1 (2009)
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Episodes 52
The Way of Den-Do
After Walter takes up origami as a martial art, Dennis scoffs and comes up with his own martial art, and so the two prepare to battle it out.
Read MoreSmelling of Roses
Inspired by the mayor's call to make Beanotown Green-o-town, Dennis tries renewable fuel sources to launch his space mission.
Read MoreCurtains for Dennis
Dennis uses curtains as a giant sail, not knowing its specially for the kitchen and loses it to the Colonel.
Read MoreThe Mystery of the Missing Teapot
Dennis comes across a bundle of objects that inspire him to be a private investigator and begins searching for Gran's lost teapot.
Read MoreCastle in the Air
Dennis goes to the fair with his friends and Bea, but the owners of the fair of spoiling their fun due to last years events, especially the bouncy castle operator.
Read MoreAliens Among Us
Dennis' gang decide to make their own alien film. When Walter stumbles across them filming, he's convinced there is an alien invasion and raises a red alert in Beanotown.
Read MoreDennis V.I.P
With one backstage pass for a Ratbucket gig, Dennis and his friends pass themselves off as Ratbucket, only for the real Ratbucket not to be able to play at his own concert.
Read MoreGnasher in Nappies
Visiting Gran in hospital, Dennis disguises Gnasher as a baby to evade detection, but Gnasher is taken away by the short-sighted Mr and Mrs Butcher.
Read MoreRubberbands and Paperclips
Dennis tries to help Dad get a raise, but Dad ends up fired, so Dennis makes Scrimp's office seem incapable without Dad.
Read MoreEyes on the Prize
Dad agrees to buy Dennis the best skateboard there is if he can win a prize at the upcoming school award ceremony. The only prize that Dennis can try to win is the best behaviour prize, so he does everything he can to win the contest.
Read MoreDance of the Seven Pies
After a bet from Walter on the Dance Contest, Dennis trains Pie Face to be a dancer. Meanwhile, Dennis' dad tries to cure Gnasher of his fleas.
Read MoreThe Pond Monster
In an attempt to reclaim the park, Dennis and friends try to scare everyone with a 'pond monster.'
Read MoreDennis' Thank-you's
Dennis tries to get a birthday present by saying thank you to his relatives. However, because of Dennis' naughty personality, they take his attempts in a negative way.
Read MoreMasters of the House
Mum is going to the yoga school and leaves Dad in charge. During her absence, Dennis, Curly and Pie Face try to make a pie, with disasterous results to follow.
Read MoreAll-in Menacing
After a wrestling accident, Gnasher swallows a canister of laughing gas at the vet's. Dennis, along with Gnasher hide in the conference centre, where dad gives a speech. However, the canister leaks, causing Gnasher to fart laughing gas and having everyone laughing.
Read MoreAttack of the Walterbot
For a school project, Dennis and Walter both build robots. However, during an accident, both robots merge, causing Dennis and Walter to defend the school.
Read MoreGreat Outdoors
During a camping holiday, Dennis, Gnasher and Dad meet Terry Tuff and get challenged to a nature survivor's challenge, ending with a race to the summit of Mount Beano.
Read MoreNo Pies for Pie Face
Dennis and Co. have to control Pie Face's obsession with pies during the Pie Festival. Otherwise, they will be grounded.
Read MoreDig This
On a school trip, Dennis finds out that he is descentant to a warrior tribe. He also discovers that Montanna Smith (a famous Indiana Jones-esque explorer and one of Walter's personal heroes) is actually a thief who's trying to steal the treasure of Dennis' ancestor. Will he be stopped before he gets his hands on the treasure?
Read MoreThe In Crowd
Athena gets Gnasher envy when seeing a pampered version of Gnasher in a magazine and when she hears that Dennis owns an Abyssinian wire-haired tripe hound (Gnasher), she wants him. However, being an owner to Gnasher isn't all cracked up to be!
Read MoreFirst Aid Dennis
Dennis tries to get a first aid badge to get into a wrestling match. However, Walter's the judge and it's not going to be easy.
Read MoreRock And A Hard Place
Dennis is made to attend a Neighbourhood Watch meeting by his parents. This, however clashes with a jam session with Curly and Pie Face.
Read MoreHorsey Havoc
Dennis breaks Bea's toy horse, so Dennis is searching for a new one to cheer her up.
Read MoreDouble Act
Gnasher and Gnipper enter a dog show, regardless of Walter saying they don't have true talent. He wants Athena and Miss Mini Wuff to win, but Walter has just underestimated Gnasher's true capabilities.
Read MoreThe Curse of Madam Gigi
To have Dennis be kind to him, Walter disguises as fortune teller Madam Gigi to warn Dennis that if Walter gets hurt, he "will get his just dessert."
Read MoreRandom Access Mayhem
There's a new computer system which keeps data for the school which works using a memory stick. This gives Dennis an idea, but it makes Walter suspicious.
Read MoreTreehouse Treason
Gran's hurt her foot after trying to build a pigsty for her pet pig, Harley. She makes Dennis deal with Harley and then starts living in Dennis' tree house and Dennis isn't happy about it!
Read MoreMenace and Co.
Walter applies for work experience at Scrimp Towers, where Dennis' dad works. Dennis tries to help dad with the work and save his job from Walter after an accident.
Read MoreNo Place Like Home
Dad gets promoted, which means his new job will involve his family moving to Drainotown, much to Dennis' disappointment, so he tries to change dad's mind and stay in Beanotown.
Read MoreDennis Jumps the Line
Dennis plays a prank on the citizens of Beanotown, causing them to evacuate, which causes trouble for Dennis later.
Read MoreOperation Windbreaker
Dennis gets a new amplifier but doesn't have a chance to try it out because of Bea's demands and threats to let off a lethal fart if not done so he decides to hide the beans. However, Bea retaliates by stealing the volume knob off the amplifier.
Read MoreMenace on the Mend
To avoid getting into trouble, Dennis acts ill, leading him into a boring night in the hospital.
Read MoreAthena's Party
Dennis builds a BMX track near Athena's VIP party. However, Athena is standing for none of it.
Read MoreDennis' Hiccups
Dennis gets a case of the hiccups from Mr. Har Har's can-o-giggles and is looking for a way to cure them ready for a film premier.
Read MoreNanny State
Dennis' parents hire Nanny Moonbeam, a hippy who has an unusual and peaceful way of curing Dennis' bad behaviour. However, it gets on his nerves and eventually drives his parents up the wall.
Read MoreMother's Day
Dennis tries to please mum by behaving for the whole day. But this isn't easy for him.
Read MoreRun Rabbit Run
Dennis and Gnasher are on a mission to find Walter's pet rabbit after Gnasher scares it away.
Read MoreBeanotown In Bloom
The garden is accidentaly wrecked when Dennis tries to give Gnasher a bath, so the gang have to fix the mess before Mum comes home.
Read MoreFangs for the Memories
After hearing reports about a bat creature in Beanotown, Dennis highly suspects that The Colonel is a vampire.
Read MoreCurly's Collection
Curly doesn't attend band practice and Dennis finds out that this is because of a plan by Walter to sabotage the Dinmakers, involving a collectible series.
Read MoreSubstitute Creecher
An accident happens at school and Mrs Creecher says that she will tell Dennis' parents about it at the school parent's evening. Dennis, Curly and Pie Face set up a scheme to stop this from happening.
Read MoreYou're Joking
Dennis makes a line of practical jokes for Mr. Scrimp, called 'The Menace Collection.' However, Dennis soon learns that it will put Mr. Har Har out of business.
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