When Goldie the Groundhog predicts more winter, Gloria decides to make spring come by any means necessary so she can retrieve a lost toy; when she fails to control the weather, Gloria learns to embrace other plans.
As the organizer of the Animal Pride Parade, Marty tries to figure out which animal float Odee Eliot belongs on; when Marty can't identify what kind of animal Odee Eliot is, he learns a valuable lesson.
Alex lands a role in a big Hollywood movie, but his part is threatened by a diva-like rhino; Alex nearly gives up, but with the help of his friends, he 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 anymore and goes on a citywide chase to recover it 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; when Alex tags along for the ride, Marty learns that it takes a whole lot of teamwork.
During the Lunar New Year festival, Alex is bummed 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.
After growing into a froglet, Lala is ready to finally join the gang on a big adventure in the city; Gloria goes overboard in trying to protect her tiny friend in the big world -- only to realise that she underestimated Lala.
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.
Gloria meets a shy hermit crab with a secret talent for tap dancing and plans a flashy production; when she pushes the introverted crab too far, she learns to respect her shy friends' comfort levels.
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.
During holiday time in the habitat, Melman is determined to add one more sticker to his yearly "Nice" list; when he meets a gander who's been separated from his family, Melman and the gang embark on a wild goose chase around the city.