Episode 1
Aired Sep 7, 2009
The Way of Den-Do
Walter takes up origami as a martial art; Dennis comes up with his own martial art.
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Episode 2
Aired Sep 8, 2009
Smelling of Roses
Dennis receives a reward for recycling, when he was trying to find a way to power his rocket.
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Episode 3
Aired Sep 9, 2009
Curtains for Dennis
Dennis must get mom's curtains back from the colonel.
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Episode 4
Aired Sep 10, 2009
Splash!
Dennis and his friends set out to make their own swimming pool.
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Episode 5
Aired Sep 11, 2009
The Mystery of the Missing Teapot
Dennis is inspired to be a private detective and find Gran's teapot.
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Episode 6
Aired Sep 30, 2010
Castle in the Air
Dennis needs to rescue Bea from a bouncy castle that has floated away, while he is babysitting.
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Episode 7
Aired Sep 15, 2009
Aliens Among Us
Dennis and his friends decide to make an alien film, which causes widespread panic.
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Episode 8
Aired Sep 16, 2009
No Joke
The joke shop owner, Mr. Har Har, needs Dennis' help to keep the shop open.
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Episode 9
Aired Sep 17, 2009
Dennis VIP
Dennis and his friends try to get backstage at a Ratbucket gig.
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Episode 10
Aired Sep 18, 2009
Bad Dad
Dennis helps out at Dad's old school reunion party and discovers they are a lot alike.
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Episode 11
Aired Sep 21, 2009
Gnasher in Nappies
A visit to the hospital leads to a case of mistaken identity for Gnasher.
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Episode 12
Aired Sep 22, 2009
Rubberbands and Paperclips
Dennis' attempt to get a new bike gets Dad fired from his job.
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Episode 13
Aired Sep 23, 2009
Boot
Dennis to devise a plan to stop a new, super-efficient police sergeant.
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Episode 14
Aired Sep 24, 2009
Breakout
Dennis comes up with a plan to rescue his friends, he thinks are locked in the dog pound.
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Episode 16
Aired Sep 26, 2009
Dance of the Seven Pies
Dennis helps Pie Face win a dance competition, by being his dance teacher.
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Episode 17
Aired Sep 27, 2009
Pond Monster
The new and improved Beanotown Park has reopened; Dennis and the gang reclaim the park.
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Episode 18
Aired Oct 24, 2009
Dennis's Thank-Yous
Dennis wants to thank his relatives for all past birthday and Christmas gifts.
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Episode 19
Aired Sep 29, 2009
Fish Tale
Dennis meets his match as he tries to catch the legendary Pike of Beanotown Lake.
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Episode 20
Aired Sep 30, 2009
Masters of the House
Mom attends a yoga retreat, leaving Dennis and Dad home alone.
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Episode 21
Aired Oct 1, 2009
Game On
Dennis needs to beat Walter at a computer game to rescue his friends.
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Episode 22
Aired Oct 2, 2009
All in the Menacing
Gnasher swallows a canister of laughing gas while on a trip to the vets.
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Episode 24
Aired Oct 4, 2009
Great Outdoors
Dennis, Gnasher and Dad go camping; Terry Tuff has a challenge for them.
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Episode 25
Aired Oct 5, 2009
No Pies for Pie Face
Pie Face is made a judge at the Beanotown Pie Festival.
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Episode 26
Aired Oct 6, 2009
Dog Tired
Dennis challenges Walter to a football game in the park; Walter cheats.
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Episode 27
Aired Feb 1, 2010
Dig This
Dennis becomes a hero on an archaeological dig with his discovery.
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Episode 28
Aired Feb 2, 2010
The In Crowd
Dennis and his friends find away to get tickets to Ratbucket gig.
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Episode 30
Aired Feb 14, 2010
Rock and a Hard Place
Dennis has neighborhood watch meeting by his parents, but it clashes with a jam session.
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Episode 31
Aired Feb 20, 2010
Horsey Havoc
Dennis breaks Bea's toy horse, then tries to find her a new one.
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Episode 32
Aired Feb 6, 2010
Grounded
Dennis is grounded on the first day of the summer vacation.
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Episode 33
Aired Feb 7, 2010
Double Act
Gnasher and Gnipper enter a dog show.
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Episode 35
Aired Feb 9, 2010
Random Access Mayhem
Dennis lives in Beanotown with Mom, Dad, little sister Bea and his pet dog, Gnasher.
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Episode 36
Aired Feb 10, 2010
Treehouse Treason
Dennis lives in Beanotown with Mom, Dad, little sister Bea and his pet dog, Gnasher.
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Episode 37
Aired Feb 11, 2010
Menace and Co
Dennis goes undercover to help Dad get his job back.
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Episode 38
Aired Feb 12, 2010
No Place Like Home
Dennis lives in Beanotown with Mom, Dad, little sister Bea and his pet dog, Gnasher.
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Episode 39
Aired Feb 13, 2010
Dennis Jumps the Line
Dennis plays a prank on the citizens of Beanotown, causing them to evacuate, which causes trouble for Dennis later.
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Episode 40
Aired Feb 14, 2010
Operation Windbreaker
Dennis lives in Beanotown with Mom, Dad, little sister Bea and his pet dog, Gnasher.
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Episode 42
Aired Feb 16, 2010
Athena's Party
Dennis builds a BMX course next to the tent where Athena is hosting her VIP party.
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Episode 43
Aired Feb 17, 2010
Dennis' Hiccups
Dennis gets a bad case of the hiccups that have a negative impact on his life.
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Episode 44
Aired Feb 18, 2010
Nanny State
Mom and Dad hire super-nanny Nanny Moonbeam to help correct Dennis's naughty behavior.
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Episode 45
Aired Feb 19, 2010
Mother's Day
Dennis has to find a present for Mother's Day at the last minute.
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Episode 46
Aired Feb 20, 2010
Run Rabbit Run
Walter's rabbit escapes while Dennis' mom is watching it.
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Episode 47
Aired Feb 21, 2010
Beanotown in Bloom
Dennis accidentally wrecks the garden before the Beanotown in Bloom garden competition.
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Episode 48
Aired Feb 22, 2010
Fangs for the Memories
Dennis and Gnasher look for a bat like creature, they think is a vampire.
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Episode 49
Aired Feb 23, 2010
Curly's Collection
Dennis, Pie Face and Gnasher are left doing band practice on their own.
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Episode 50
Aired Feb 24, 2010
Substitute Creecher
Dennis get in trouble with Mrs. Creecher on parent teach day.
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Episode 51
Aired Feb 25, 2010
Lost
Dennis and the gang get marooned on a desert island during a school trip.
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Episode 52
Aired Feb 26, 2010
You're Joking
Dennis goes work with his dad and plays pranks around the office.
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