Series 1
52 episodes · Sep 7, 2009
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- S1E1
The Way of Den-Do
Sep 7, 200910mAfter 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.
- S1E2
Smelling of Roses
Sep 8, 200910mInspired by the mayor's call to make Beanotown Green-o-town, Dennis tries renewable fuel sources to launch his space mission.
- S1E3
Curtains for Dennis
Sep 9, 200910mDennis uses curtains as a giant sail, not knowing its specially for the kitchen and loses it to the Colonel.
- S1E4
Splash!
Sep 10, 200910mIn attempt to keep cool on a hot day, Dennis' gang dig their own pool in Dennis's backyard.
- S1E5
The Mystery of the Missing Teapot
Sep 11, 200910mDennis comes across a bundle of objects that inspire him to be a private investigator and begins searching for Gran's lost teapot.
- S1E6
Castle in the Air
Sep 14, 200910mDennis 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.
- S1E7
Aliens Among Us
Sep 15, 200910mDennis' 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.
- S1E8
No Joke
Sep 16, 200910mThe joke shop owner, Mr Har Har, needs Dennis's help to persuade his mother not to close the joke shop down. The gang decides to try and pass Mr Har Har off as a successful vet.
- S1E9
Dennis V.I.P
Sep 17, 200910mWith 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.
- S1E10
Bad Dad
Sep 18, 200910mDad takes Dennis to his school reunion party, in an attempt to teach him to behave grownup, but it doesn't go as planned when Walter's dad renews his rivalry with Dad.
- S1E11
Gnasher in Nappies
Sep 21, 200910mVisiting 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.
- S1E12
Rubberbands and Paperclips
Sep 22, 200910mDennis tries to help Dad get a raise, but Dad ends up fired, so Dennis makes Scrimp's office seem incapable without Dad.
- S1E13
Boot
Sep 23, 200910mThe police chief hires a super-efficient cop called Boot to replace Slipper, who tolerates no act of mischief. Teamed with Walter, Dennis tries to get Slipper back on the job.
- S1E14
Breakout
Sep 24, 200910mDennis hatches a plan to bail Gnipper imprisoned in Beanotown dog pound, by impersonating a misbehaving dog.
- S1E15
Eyes on the Prize
Sep 25, 200910mDad 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.
- S1E16
Dance of the Seven Pies
Sep 26, 200910mAfter 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.
- S1E17
The Pond Monster
Sep 27, 200910mIn an attempt to reclaim the park, Dennis and friends try to scare everyone with a 'pond monster.'
- S1E18
Dennis' Thank-you's
Sep 28, 200910mDennis 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.
- S1E19
Fish Tale
Sep 29, 200910mDennis and friends have a go at catching the Legendary Beanotown Pike, but when Walter hears about it, the game is on.
- S1E20
Masters of the House
Sep 30, 200910mMum 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.
- S1E21
Game On
Oct 1, 200910mTo get his friends back from Walter's group, Dennis challenges Walter to a videogames battle.
- S1E22
All-in Menacing
Oct 2, 200910mAfter 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.
- S1E23
Attack of the Walterbot
Oct 3, 200910mFor a school project, Dennis and Walter both build robots. However, during an accident, both robots merge, causing Dennis and Walter to defend the school.
- S1E24
Great Outdoors
Oct 4, 200910mDuring 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.
- S1E25
No Pies for Pie Face
Oct 5, 200910mDennis and Co. have to control Pie Face's obsession with pies during the Pie Festival. Otherwise, they will be grounded.
- S1E26
Dog Tired
Oct 6, 200910mTo win a football match against Dennis' team, Walter fattens Gnasher up and brings in top striker David Peckham. But will this stop Dennis and team from winning?
- S1E27
Dig This
Feb 1, 201010mOn 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?
- S1E28
The In Crowd
Feb 2, 201010mAthena 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!
- S1E29
First Aid Dennis
Feb 3, 201010mDennis 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.
- S1E30
Rock And A Hard Place
Feb 4, 201010mDennis is made to attend a Neighbourhood Watch meeting by his parents. This, however clashes with a jam session with Curly and Pie Face.
- S1E31
Horsey Havoc
Feb 5, 201010mDennis breaks Bea's toy horse, so Dennis is searching for a new one to cheer her up.
- S1E32
Grounded
Feb 6, 201010mDennis is grounded on the first day of the summer holidays, but Dennis doesn't manage to stomach it. But the town isn't having him sneaking out of home.
- S1E33
Double Act
Feb 7, 201010mGnasher 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.
- S1E34
The Curse of Madam Gigi
Feb 8, 201010mTo 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."
- S1E35
Random Access Mayhem
Feb 9, 201010mThere'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.
- S1E36
Treehouse Treason
Feb 10, 201010mGran'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!
- S1E37
Menace and Co.
Feb 11, 201010mWalter 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.
- S1E38
No Place Like Home
Feb 12, 201010mDad 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.
- S1E39
Dennis Jumps the Line
Feb 13, 201010mDennis plays a prank on the citizens of Beanotown, causing them to evacuate, which causes trouble for Dennis later.
- S1E40
Operation Windbreaker
Feb 14, 201010mDennis 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.
- S1E41
Menace on the Mend
Feb 15, 201010mTo avoid getting into trouble, Dennis acts ill, leading him into a boring night in the hospital.
- S1E42
Athena's Party
Feb 16, 201010mDennis builds a BMX track near Athena's VIP party. However, Athena is standing for none of it.
- S1E43
Dennis' Hiccups
Feb 17, 201010mDennis 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.
- S1E44
Nanny State
Feb 18, 201010mDennis' 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.
- S1E45
Mother's Day
Feb 19, 201010mDennis tries to please mum by behaving for the whole day. But this isn't easy for him.
- S1E46
Run Rabbit Run
Feb 20, 201010mDennis and Gnasher are on a mission to find Walter's pet rabbit after Gnasher scares it away.
- S1E47
Beanotown In Bloom
10mThe garden is accidentaly wrecked when Dennis tries to give Gnasher a bath, so the gang have to fix the mess before Mum comes home.
- S1E48
Fangs for the Memories
Feb 22, 201010mAfter hearing reports about a bat creature in Beanotown, Dennis highly suspects that The Colonel is a vampire.
- S1E49
Curly's Collection
Feb 23, 201010mCurly 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.
- S1E50
Substitute Creecher
Feb 24, 201010mAn 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.
- S1E51
Lost
Feb 25, 201010mDennis, his friends and Walter's friends get marooned on a desert island when Dennis attempts to escape a boring field trip.
- S1E52
You're Joking
Feb 26, 201010mDennis 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.