Kun heidän suosikkieläintarhavieraansa kadottaa nallekarhunsa, porukka suuntaa seikkailulle saadakseen sen takaisin – ja samalla Marty oppii, ettei kaikkea elämässä opi käyttöohjeista.

Melman löytää onnenkukan ja on vakuuttunut, että tänään on hänen paras päivänsä! Mutta kaikki ei mene ihan putkeen.

Kun iloiset merileijonat vetävät väkeä pois Alexin esityksestä, hän päättää korjata tilanteen käyttäytymällä kuin merileijona.

Kun Gloria menee salaa New Yorkin baletin Joutsenlammen koe-esiintymiseen ja hänet hylätään (ei tanssinsa takia vaan siksi, että hän on virtahepo), Glorian usko itseensä joutuu koetukselle.

Koko porukka suuntaa fanitapahtumaan Giraffe Stadiumille. Kun Alex jää kiinni voittajajoukkueen kannustamisesta, Marty loukkaantuu.

Melmanin syntymäpäiväjuhlia veitetään ulkoavaruusnäyttelyssä, jossa on hieno avaruusajoneuvo! Mutta Gloria saa pakkomielteen pelikoneeseen ja hän laiminlyö aikaa ystäviensä kanssa.

Alexia luullaan Maine Cooniksi, ja hän alkaa elää kissan luksuselämää kattohuoneistossa. Aluksi Alex viihtyy hyvin uudessa elämässään, mutta myöhemmin hän huomaa, että huipulla on yksinäistä.

Vieraillessaan paloasemalla Melman jää jumiin paloautoon, joka on matkalla onnettomuuspaikalle. Alexin avulla Melmanin on voitettava korkeanpaikankammonsa ja autettava pelastamaan jumiin jäänyt kissa.

Kun Marty varastaa vahingossa tossuparin tavaratalosta, hän suunnittelee monimutkaisen operaation palauttaakseen tossut, mutta oppii, että on helpompaa myöntää virheensä kuin peitellä niitä.

Kun siilipentue otetaan väliaikaisesti huostaan, Alexista, Martysta, Melmanista ja Gloriasta tulee niiden "lapsenvahteja". Mutta ilkikuriset siilit aiheuttavat nopeasti täydellistä tuhoa!

Kaikkilla on jotain erikoista suunnitteilla Katen syntymäpäiville, mutta Melman on huolissaan siitä, että hänen kotitekoinen ja sorkilla tehty lahjansa ei ole riittävä.

Gloria on päättänyt ansaita ystävällisyysmerkin ja toivottaa tervetulleeksi joukon rottia, jotka etsivät majapaikkaa.

When Alex realizes he’s too small to climb onto his new habitat “stage”, he feels too small for his dreams- until he hears of a big, new roller coaster at Coney Island and figures if he can ride the big coaster, that’ll prove that he’s a BIG deal!

The habitat is celebrating “Sloth Day” in honor of its newest arrival: cool, chill, Lucia the sloth, who just arrived from Costa Rica!

When Melman learns that his friends stay up late every New Year’s Eve to watch the ball drop in Times Square, he’s determined to stay up with the big kids and join the fun.

When fun-loving, water-dwelling tadpole LALA shows up in Gloria’s tank, the two become underwater besties!

Gloria wants spring to come! She’s SICK of winter and is counting down the days until the Central Park pond melts so she can retrieve a toy she lost in the water before it froze!

Marty relishes his role as producer/organizer of the annual Animal Pride Parade. So when an unusual striped animal arrives, Marty tries to figure out which animal float ODEE ELIOT belongs on.

Alex lands a role in a big Hollywood movie, but his part is threatened by a diva-like bull. Alex nearly gives up, but with the help of his friends, learns that no one can bully him out of what he loves to do.

When Melman loses his first tooth, he fears he won't be Kate's baby any more and goes on a city-wide chase to recover his tooth before Kate can replace him with a younger, cuter animal.

When Ranger Hoof invites Marty on a Junior Ranger night trot in Central Park, Marty is determined to prove he's got what it takes to do the job - but when Alex tags along for the ride, Marty learns that "what it takes' is a whole lot of teamwork.

During the Lunar New Year festival, Alex is disappointed to learn that there's no Year of the Lion. Determined to be somebody important, he sets out to become the star of the festival by taking on the role of the Dragon - but he eventually learns that every role has importance and realises the costume that fits him best is his own fur.

Lala, who's grown into a froglet, is ready to finally join the gang on a big adventure in the city! But she relies on her water bowl to get around, and Gloria goes overboard in trying to protect her tiny friend in the big world… Only to realise that she underestimated all Lala is capable of doing.

When a snowstorm blocks Kate from accessing the zoo, Melman decides to become "substitute Kate" and make sure the animals are cared for. But when the animals go wild in the snow, Melman's future-paramedic skills are put to the test during an outbreak of stubbed toes and boo-boos. A series of stumbles makes Melman question whether he's cut out to be a paramedic - until he learns that mastering a goal takes grit!

When Gloria meets a shy hermit crab, named Starlene, with a secret talent of tap dancing, Gloria plans a flashy production for Starlene’s debut so she can share her talent with the world!

When Lala announces she's moving out of the habitat, Gloria feels sad. But instead of admitting it, she puts all her energy into throwing the "happiest" goodbye party for her tank mate's last day in the habitat.

When the gang goes camping in vacant part of the zoo, Melman is nervous for his first ever sleepover away from the habitat and relies on his friends to scare-proof the experience for him.

When the gang gets bored of their old toys, a mysterious treasure map appears to be the answer to their problems. But when the treasure isn't what they expected, the gang learns that you can make your own fun.

When the gang plans a habitat-wide, friendly basketball tournament, Gloria becomes overly competitive in her quest to win. After she resorts to cheating, Gloria realises that real winners are good sports, and everyone has more fun when they play fair and square.

Alex prepares an acrobatic performance which he wants to perform on Mary Sue and Todd's new live talk show! But when Ant'ney unexpectedly goes viral and is invited on the show instead, Alex is determined to outshine his friend and learns that a friend's success doesn't diminish his own.

When the gang asks him to read aloud their new favourite mystery book, Marty is too embarrassed to admit that he hasn't yet mastered reading. Marty obsesses so hard on his reading practice that he gets locked inside the library overnight with one of the library's therapy dogs, leaving the pair to team up and bust out before sunrise.

Marty finds a puppy and, deeming it a Lost and Found item, resolves to locate its owner- until the pup turns out to be a wild Arctic Wolf Pup, and much more of a handful than Marty anticipated.

When a famous salsa-dancing parrot from Cuba comes to the guest habitat, Gloria’s determined to reunite the icon with her estranged dance partner, ultimately learning to mind her own business in matters of the heart!

When Bartholomew the Bat’s wing is healed, and he’s returned to the wilds of New Jersey, the gang decides to pay him a visit.

On the night of a much-anticipated toy-car race, Melman discovers a popped tired on his toy ambulance. Assuming that someone did it on purpose, Melman enlists Marty and the gang in a noir-like search to find the misbehaving tirepopper.

The gang gets their paws on some CRITTER CARDS, NYC’s latest toy craze, and Gloria is determined to collect them all! But when Gloria loses Melman’s rare and special card, the gang goes on an adventure in the city to get it back.

When Bill the Flamingo moves into the guest habitat, the nosy new neighbor discovers our gang sneaking out for Alex’s big cat food audition- and insists on joining their adventure.

To prove to his Ma that he’s responsible enough to move into a nest of his own, Ant’ney sets out to safely return a lost egg.

When Ranger Hoof invites Marty to Junior Ranger Horse training, Marty insists on playing by the book- the ranger rulebook.

During an animal painting exhibition at the NYC Art Museum, Melman (whose crayon-artworks at the Habitat is legendary) worries that his classic-cute style isn’t up to snuff.

When newly minted journalist Gloria creates her own Habitat podcast, The Daily Glo (“For animals, by animals!”), she’s eager to cover all the “scoops” around the zoo.

Alex decides he wants to become a celebrity chef, but his food leaves much to be desired.

After hearing Melman perform a fantastic, original country song during his daily bath, Ant'ney signs Melman up to open for a huge country star, Lil Baa, at an all animal concert called Farm-a-Palooza.

When Rocky asks Alex if he’ll direct his original musical, RATS, Alex accepts, despite having zero directing experience. When the show devolves into disaster, Alex realizes he should’ve told Rocky he was a newbie at directing, and still has lots to learn.

Ant’ney’s got dreams of becoming a corner crooner, but when it’s time for him to take over the family business (a pigeon-version of a bodega) Ant’ney hides his true passion from his family.

When Gloria enters a surf festival, Marty sets out to earn a Junior Ranger Badge by spearheading a beach cleanup day.

When Gloria decides to spend a day at the Central Park Pond with Lala, she's shocked and intimidated to find Lala leaping high into the sky with her new frog friends.

The Nature Channel prompts Melman to believe that he and the gang are too different to live under one roof; Melman escapes to the Bronx Zoo to find his real herd: other giraffes.

When Marty catches the eye of Hoof’s human ranger, he’s offered the chance to skip the rest of junior ranger training and become New York’s first Zebra Ranger Horse!

With his friends pursuing their own ‘things,’ Alex feels like he’s being left behind! When he undertakes an epic adventure of his own – a trip to space – Alex learns that even through life changes, the bonds of friendship don’t have to.