Otto's birthday is coming up and a number hog is taking the number zero out of everything! Olive and Otto must find the culprit before the world is ruined and Otto becomes a one-year-old!

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Bad luck has come upon the Bears, Olive’s favorite basketball team, and a big game is coming up!

Oddness is being created by "Take Away Four", a new song from Otto’s favorite band, Soundcheck.

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Delivery Debbie has doubled, and her double is ruining her business.

When symmetrical objects become vandalized and half of Otto’s body disappears, Olive must figure out why.

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Olive and Otto are called in to help when food is being rounded by a table inside an Italian restaurant.

When a blob gets loose in Odd Squad headquarters, Olive and Otto compete against Oren and Olaf to catch it first.

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When people in town can no longer count down, Olive and Otto must uncover who is causing the problem and why, so Ms. O can count down the new year.

Santa’s reindeer have escaped and shrunk, and Olive and Otto must help him! Meanwhile, Oscar must help Ms. O get off the Naughty List.

Several of Oscar's Oscarbots are missing in town!

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Olive and Otto must solve a case: people are becoming plaid, stripes & different colors during Otto's picture day!

When Mayor Macklemore catches a case of the Sing-Alongs, Olive and Otto must solve this odd problem so he won't sing along anymore.

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Ms.O from the past appears in her office, and they must get rid of her before it causes a Timetastrophe all over Headquarters.

Ms. O tries to get her Odd Squad to win the Jackalope Award for most solved cases.

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Ms. O and Oscar switch bodies!

Something odd is happening to Ms. O!

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Ms. O recognizes a villain from when she was an agent!

The Hydraclops is about to rise out of the lake and destroy the town.

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It's Ms. O's birthday, and Oscar is planning a surprise party!

The Odd Squad alarm system has been turned on, and no one remembers the off code, so, to get in, the agents must face booby traps!

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There is a vortex of Oddness in town!

At exactly 6:05, the dinosaurs break out of the dinosaur containment room at headquarters, forcing Olive and Otto to go back in time to thwart the situation

Otto is shrunk by a potato salad. Olive, Olaf and Oren must find a potato to bring Otto back to his normal size.

Danny T. from Soundcheck comes to Odd Squad with troubling news-the other members of Soundcheck are missing!

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When Olive, Otto and the entire Odd Squad office catch the Jinx disease, Oscar and Dr. O must fill in for them and they can only solve the Jinx problem because they caught the Jinx disease before and they didn't want to be caught again.

When Odd Todd (Olive's former partner) steals Oscar's Flip-Flop-inator gadget, only Oscar can save the day.

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Odd Todd takes over Polly Graph's lemonade stand that drives her out of business and he's using a series of misleading graphs and charts, but his lemonade turns people into lemonheads. Olive and Otto must prove that he's up to no good.

Otto is chosen to participate in The O Games against Octavia, Oren, Dr. O...and Odd Todd!

While Olive is on break, Otto competes with Oren to be Captain Fun.

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Olive and Otto imagine what it would've been like if Olive was partnered with Oren and Otto was partnered with Olaf.

Olive and Otto crash out of the tube system...and into Sector 21! Ms. O has to bring in every tube operator in existence to try to get her agents out of danger.

One of Oscars Oscarbots malfunctions.

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After Ori becomes an agent, he loses 100 centigurps on his first day.

The villains are hosting a Rock, Paper, Scissors tournament to determine who owns the Odd Squad Tube map-and Olive must win as Kooky Clown!

A villain is making spots in the town cold in the middle of summer, and Olive and Otto must solve the case!

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The agents have to question suspects to find out which one is guilty.

The ball pit goes out of control, and the agents have to stop it before they lose another headquarters.

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Ms. O's assistants tackle a real case on their own.

Townspeople and agents are turning invisible, and Olive and Otto have to solve the case.

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Someone has stolen Agent Obfusco's mustache and the agents have to solve riddles to help him.

Otto and Oscar must stop Olive from becoming a pirate.

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Oscar turns into a couch and Olive and Otto must turn him back before Ms. O finds out.

Oscar tells Olive his backstory.

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Olive and Otto get sucked into a board game and must complete the game before getting stuck there forever.

After the power goes out in headquarters, Olive, Otto, Ms. O, and Oscar must figure out a way keep two dragon eggs from hatching.

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Otto tells Olive the story of when Oren and Olaf investigate flying books at the local library.

Olive and Otto get sucked into a Shmumberman comic book.

Olive has been put on trial for causing oddness!

Olive and Otto face their biggest challenge yet!

Otto and Olive have been respectively replaced by two new agents named Olympia and Otis.

By dropping a time-travel gadget, Oscar, Oona, Otis and Olympia accidentally get sucked into a different day in time and have to figure out what day they are in without causing a "time-tastrophe".

Otis agrees to help Ms. O make a recruitment commercial for Odd Squad, however, Ms. O proves to be difficult to work with.

• Otis and Olympia need the help of Odd Todd (who has become a gardener) to solve an odd case.
• Because Otis thinks Olympia can't stop working, Olympia and Otis agree to go out for lunch.

• To have a pizza party, security agents Owen and Ohio secretly provide backup on Otis and Olympia's case.
• Olympia and Otis accidentally let an un-lucky nickel get loose out of headquarters.

• Villains, Shapeshifter, Fladam, Jamie Jam, Evil Mime, Noisemaker, and Father Time break into Odd Squad headquarters.
• Olympia and Ocean try to catch a loose creature before The Big O finds out.

At a gathering of Odd Squad scientists called Lab Con located in Odd Squad Academy, president of the scientists, Obbs starts mind controlling every scientist except for Oscar to take over Odd Squad; Oscar and Ms. O with the help of Oona must stop Obbs and his evil scheme.

• After Ms. O gives Olympia a new room to work in, all the agents want a piece of it.
• Otis and Noisemaker need to go back to headquarters while the tubes are down for maintenance.

• The Puppymaster turns all agents except Olhm into puppies.
• Because Dr. O catches a case of "The Sillies", Ocean and Oona must collect all the ingredients to make a curing antidote.

• Otis, being unaware that he had to get Olympia a gift for their "Halfiversary", races to find one.
• Ms. O, Ocean, Otis, and Olympia try to determine what kind of creature will hatch from an egg.

• Otis and Olympia discover how different Odd Squad headquarters are at night and struggle to get their work done.
• Ms. O accidentally calls Partners, Otis and Olympia and partners, Oriele and Orielle to return a magical orb to Cloud Town, the land of the unicorns. Because all of the agents want to visit Cloud Town and Ms. O refuses to let 4 agents take the case, she decides that they'll settle it by seeing Coach O.

• When a virus that turns people into cakes spreads through Headquarters, Agents, Otis and Olympia try to figure out what's causing it.
• Before agents, Otis and Olympia can win Agents of the Month, Otis must finish filing his paperwork.

• Because Ms. O's office is under maintenance, Olympia suggests that Ms. O can work downstairs.
• Otis, Olympia, and Ms. O try to tracking down Ms. O's old partner, O'Donahue, and defeat a trio of mimes.

• By dropping a time-travel gadget, Oona gets stuck in a time loop and brings Otis and Olympia along with her.
• The villain, Backwards Bob has set off a backwards bubble in headquarters and can only have 20 questions to ask from him on how to get the forward bubble.

• Otis and Olympia's misunderstandings of the importance of maintenance displease the maintenance workers and cause them to switch jobs for a day.
• Olympia, with Otis gets trapped in her computer.

• When Ms. O gets trapped in a mirror, and Ms. O's reflection escapes, Olympia, Otis, and Oona must predict where Opposite Ms. O will be to catch her and free the real Ms. O.

• Because Oksana refuses to cook for Odd Squad unless Ms. O gives her her desires, Otis and Olympia take Oksana's job for the day.

• Otis and Olympia want to participate in Rookie Night before it is over.
• Fladam and Lady Bread argue over who the oddest villain is, Meanwhile, Olympia and Otis help Delivery Doug make egg salad sandwiches.

• Because Oona thinks the cherry-on-top-inator gadget is useless, Ocean, Orchid, Olympia, Otis, and Ohlm try to convince her not to destroy it.

• Otis, Olympia, and Oona help a man who is slowly turning into spaghetti

• Olympia tries to get into Agent Orchid's Talent show.

• Olympia is tracking down the villain who gave her a 1 out of 10 on the Odd Squad rankings.

• A villain takes Ms. O's voice.

• While Olympia is on her vacation, Orchid and Ohlm have trouble with a case and Otis helps them.

• A creature is turning agents into stone and Oona and Ocean with the help of Oonabots try to stop it.

• Otis goes undercover as Evil Ninja to recover a stolen gadget from The Yum-Yum Twins.

• Olympia and Otis with the help of Delivery Debbie go undercover to stop a group of villains who call themselves The Breakfast Club.

• After finding out Dr. O is leaving Odd Squad to become a doctor in space, Olympia tries to throw her a goodbye party on a low-budget.

• Olympia is convinced that there is a ghost roaming headquarters while Otis disagrees and tries to tell Olympia that ghosts do not exist.

• While waiting out a storm and transporting a creature, Owen tries to convince the new recruit, Ozlyn to join the security department.

• Special task force agents, Xavier and Xena arrive to shut down the Odd Squad headquarters unless the agents there stay on a budget.

• Oona helps Dr. O's former replacement, Olly cure patients with odd ailments.

• Otis and Olympia track down a villain who is causing oddness in a strange town called Negative Town.

• Otis tries to help Oona pass her lab director's test that she must pass to stay at Odd Squad.

• Otis and Olympia try to solve a case while babysitting Baby Genius.

• Oona accidentally switches bodies with a fly and Ocean tries to help her get her normal body restored.

• While Ms. O is on a secret mission, Otis, Olympia, Orchid, Owen, Ocean, and Coach O have a competition to see who can keep their hands on the chair the longest; whoever is the last one touching the chair will be Ms. O for the day.

• Xena and Xavier force Otis and Olympia to solve a case with an obnoxious robot named Omega.

• Otis and Olympia compete against rival Odd Squad agents to catch a loose creature.

• Otis and Olympia must figure out what is causing some town people to slow down.

• Villains need the help of Odd Squad to stop a giant robot.

• Donnie gets lost in headquarters on the day of Ronnie's wedding.

• Werewolf agent Olaf is turning back into a boy.

• Otis struggles with a new jacket that is more high-tech than his old one.

• Odd Squad builds a replica of the villain's vault along with the town to intercept a stolen jetpack.

• Olympia must star in a game show where villains always win, while Otis and Oona try to retrieve a stolen gadget.

• After tracking down a villain named Sandman with her partner, Ozric, Ms. O's former assistant, Olympia (Saara Chaudry) returns to headquarters and Olympia (Anna Cathcart) struggles to go along while there is an agent in headquarters with her same name.

• Ms. O tells Olympia and Otis the story of the villains, Total Zeros.

• Olympia and Otis are tasked with calling a truce between feuding guests.

• While Odd Squad is on a picnic, Ms. O leaves headquarters in the hands of Hopkins, Mr. Fonts, Party Pam, and Logan the ogre.

• Odd Squad agents try to convince to the X's that Orson is a good agent before the X's kick Orson off the squad.

• Oona gets trapped into another dimension which is similar to the normal dimension except she is alone; now Oona must figure out a way to get back home.

When Noisemaker accidentally reveals information about a notebook, Olympia goes on a search party to find it, but later discovers the truth about her partner Otis.

After Otis and Ms. O were kicked off Odd Squad, Olympia, Otis, Oona, and Ms. O try to figure out which one of the agents is trying to destroy Odd Squad and stop them.

Agents at an Odd Squad headquarters in the arctic, Opal and Omar were set out to find and save the legendary 44-leaf clover.

When Orla rushes through constructing a portal without reading and following the instructions, Omar, Oswald, & Opal end up stuck in the 17th dimension.

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Oswald finally lands an interview on a famous Odd Squad podcast to talk about the new Mobile Unit van.

On the way to deliver a baby blob to The Big O in London, England, the Mobile Unit van runs out of fuel.

• Omar has plans to surprise Orla with a 500th birthday party.
• In Quebec, Canada, the team accidentally gets locked out of its Mobile Unit van and need the help from a young fan of Odd Squad.

• The team is sent to the Museum of Natural Odd when an ancient stone warrior has been let loose.
• Agents Opal is upset when the Mobile Unit gets ranked low on the Odd Squad Magazine progress reports and starts trying to solve odd problems (along with Orla) so the team can get ranked higher; Omar and Oswald try to find a way to cheer Opal up before she and Orla get into some Odd trouble.

The Mobile Unit is called to Pinehurst, North Carolina, to stop a villain who is stealing various objects.

• The Mobile Unit is called to investigate on a train.
• The X's (Xuxa and Xeno) kick Agent Orla off the squad when a library book she took out 400 years ago is overdue.

• The team is sent to investigate an odd tunnel at Newport, Maine; however, while doing so, Omar gets trapped into a void.
• After Omar gets a case of "Clownitosis", Opal and Oswald must go into the Odd Woods in São Paulo, Brazil to collect ingredients for an antidote.

The Mobile Unit van gets taken over by The Shadow.

The Mobile Unit tries to get Soundcheck together again.

• The Mobile Unit is called to Odd Squad's top-secret Security facility.

• The Shadow tries to convince villains to join her Villain Network.

• There is a new villain named Mr. Unpredictable.

• The Odd Squad tube system has mysteriously been shut down.

• The Mobile Unit reports to the New York City Odd Squad to help with a big problem.

• An agent-in-training visits the Mobile Unit.

• When members of the Mobile Unit get turned into sandwiches, The Big O comes to the rescue.

• The Mobile Unit faces a series of odd challenges that only Orla knows how to stop.

• When villain Confetti Betty strikes the Odd Squad headquarters in the Arctic, the Mobile Unit returns to help; as they attempt to crack the villain's pattern, they must teach the agents how to solve cases for themselves.

An Odd Squad gadget has been stolen and is being kept in a warehouse in Stockholm, Sweden run by robots; the team must take control of a robot and use coding to program it to retrieve the stolen gadget.

The Big O tells the team what would have happened if she picked different agents to be in the mobile unit.

Orla shares the story of how she was chosen to protect the 44-leaf clover to stop Jellybean Joe from causing oddness to the Mobile Unit van.

When OSMU gets trapped in a snow globe, Agents Oxley and Olanda come to the rescue.

Evil Sculptor wants to leave the Villain Network and offers to give the Mobile Unit top-secret info.

OSMU goes undercover as villains at a hotel that the Shadow is staying at. Unfortunately proving her true identity.

With the help of a few agents and the Big O, the Odd Squad Mobile Unit must stop the Shadow from causing worldwide oddness.

OSMU holds a press conference to introduce a new member named Osmeralda Kim since Opal . Meanwhile, the Big O announces she is going to space to help out the Odd Squad Space Unit.

The Mobile Unit tries to get rid of a box containing villain powers.

The Mobile Unit is called in to help when Seattle Mr. O accidentally turns himself into a creature.

Villain mastermind William Ocean plans to cover the entire world in water.

The Dream Weaver turns Little O's dreams into nightmares.

As Jimmy Jam's Scrambler Machine scrambles Odd Squad communication, the villains plan to unleash oddness.

Dr. Dry steals the Sandbeast's golden egg.

An arts-and-crafts villain named Aarti Craft has turned all the agents in Chicago into paper dolls! Fortunately, two brand-new agents, Oxford and Osalind, avoided her powers. Now, the Mobile Unit must team up with them to stop Aarti for good.

With the Big O in space, the Xs are checking agents' licenses for fighting oddness. Orla and Oswald must get their creature-handling licenses - fast!

The Puppy Master plans to turn everyone into puppies - including the Odd Squad Mobile Unit!

The Odd Squad Mail Department gets overrun by Pentagurps and the Mobile Unit comes to help.

With Oswald and Osmeralda sick, Omar and Orla need two backup agents to help them solve a case at Shmumber Farms.

Little O tries to make a training video, but the Sandbeast makes things difficult.

Three villains team up with Bonnie Blaster to help her use a new, very powerful gadget.

With villains feeling irritated because of being defeated by Odd Squad, they trade tips on how to stop them.

The Mobile Unit must find missing national monuments when they have been turned into keychains by villain Stu Venir.

When they come across a creature that can duplicate people, The Mobile Unit must figure out who the real Oswald is.

The Mobile Unit must deal with a baby laser chicken found in the countryside of Austria.

The Odd Squad Timekeeper keeps all the clocks in the world working. When she is struck with oddness, all the clocks stop.

Orla learns that she is not the only ancient agent left.

The agents meet agent Olando and have him work with them.

The Mobile Unit and Olando must stop a group of villains from stealing an artifact from an ancient Odd Squad headquarters. Little do they know that their biggest challenge yet lies within.

Part 1: Two unlikely heroes must come together to solve oddness in town.

Part 2: Two unlikely heroes must catch a creature on the loose in HQ.

• Odd Squad must stop a villain who is turning things into delicious puddings.

• Odd Squad’s jubilee celebration is held up as the agents try to locate the missing Ozzie.

• Opie starts her first day as the new Department of Help.

• The agents must find an antidote to cure Ozzie’s bad luck.

• When the museum reports missing shapes, Ozzie and Orli think they know the villains who are responsible.

• Miss Information uses bar graphs to spread false data about Odd Squad to the town.

• Captain O tells a story about when she faced Dottie Doubloon, who covered islands in polka dots.

• An interdimensional clam needs to be returned to its rightful home in the 60th dimension.

• Opie is hosting the Odd Squad Superfan tour but finds out a villain has joined in disguise.

• After finding out about Club 37, Orli and Ozzie must solve a total of 37 cases to be granted access.

  • Orli must find her way to the Odd Squad Test Center, while villains try to stop her from making it on time.

• Agents Ostin and Olyla tell the story of their face off against The Music Maestro.

• Odd Squad agents help an unlikely villain win the ultimate villain prize.

• An angry Huggle Monster wants her eggs back faster than Onom can deliver them.

• Orli has joined too many clubs but needs to help Orwell keep HQ running.

• Onom and Orwell must wait for The Odd Ness Monster to wake up to lure it back to sleep before it can destroy HQ. 

• The agents organize a party for villains in order to have a day off from oddness.

• Agent Overhill is retiring but has one last villain to catch before the end of the day. 

• Oz from the Movie Star dimension comes to help Orli find out who is turning the townspeople purple.

• The Terrible Three plot to steal three shapes from Odd Squad gadgets to stop Odd Squad for good. 

Part 1: The Terrible Three have broken into HQ and are planning ultimate oddness!

Part 2: The agents must close containment units all over town before oddness takes over the whole town.