While stuck in an animal testing lab, rats Mike and Phil enter a love triangle with their imaginary friend, which inadvertently reveals the truth of their situation. Two fleas discuss their basketball dreams and ponder life. An algae questions its existence.
As a virus sweeps New York, teen pigeon Jacob's jealousy over his angelic little brother prompts a wacky spirit quest that teaches him about courage and responsibility. Two foxes rap about a hard-knock life on the city streets.
When an exterminator puts a roach town in crisis, the survivors band together to travel to the world outside their wall and guarantee the survival of their species. Stuck together by a piece of litter, a group of seagulls struggles to live as one.
With New York City quarantined and in disarray, squirrels Mike and Phil prepare for their mother's remarriage. As Mike tries to impress a female guest, Phil plots to stop the wedding, squaring off with his soon-to-be little brother, the attention-hog Mason.
Inside the headquarters of evil conglomerate Pesci Co., the unscrupulous Dr. Labcoat prepares for the roll out of the "Green Pill," a mysterious cure for the virus plaguing New York City.
Rat teens Mike and Phil plot to exploit a human baby for profit, but things take a dark turn as the stakes increase. Two bees fight over the love of a tulip.
As rival alley-cat crews face off for control of the streets of Little Italy, a young feline, Phil, rises to the top of the pack. Elsewhere, a trio of owls gather for Christmas celebrations.
In the conclusion of the war for power among New York's cat gangs, Phil runs the show while Mike looks for a way out, leading to a dramatic showdown between pussies.
In an interconnected exploration of the urban food chain, two ends of a worm search for love and independence, a pair of newly hatched bluebirds fight for survival, and an opossum father and son butt heads over the reality of being predators.
An old dog reflects on her life and doles out sage advice. As high school graduation approaches, rat teens Phil and Mike consider what comes next as their paths appear to be going separate ways.
A misguided rat gets mating tips from a friend, though an offer of a little blue pill has disastrous results; two police horses complain about an old acquaintance who's made it big as a thoroughbred racing horse; a bedbug faces a midlife crisis and gets an earring.
A naive male pigeon prepares himself for motherhood while another one is challenged by a New Jersey rival; one caterpillar's metamorphosis is another's lament.
Two privileged feline siblings find their perfect day interrupted by an alley cat; a goose grows bored with the monotony of his life and attempts to bond with a flock of Central Park swans.
A papillon is thrust into an unwelcoming dog park where a dog-walking group deals with an unexpected secret while two dogs dissect their owners' first date.
A rat invents pants; a moth tries neon light for the first time; two fish couples endure a tense dinner.
Pigeon Phil runs into trouble; pigeon Mike struggles to encourage his son to be a seagull scout; two turtles come to blows over the love of a mechanical frog; a skunk learns the unfortunate truth about his date's past.
A pair of flies experience the highs and lows of life over a few hours; a self-conscious horse is encouraged to let it out; bodega-dwelling cats rap.
After their home collapses, two squirrel brothers find their survival skills tested while on a journey to freedom; a snake and her mouse prey face off; pet store puppies settle a turf war.
The squirrels reach the conclusion of their treacherous journey out of their collapsed tree home; a queen ant goes undercover as a worker ant.
After his wife is taken from him, a turkey seeks revenge on the mayor during the Thanksgiving parade; two rat teens venture out of the sewer.
Three years after the green bomb wiped out humans in New York, rats Phil and Mike traverse the city following a wild, drunken night, searching for a missing car and encountering multiple species and terrors along the way.
Struggling to adapt in a post-owner world, dog Phil fights to maintain his independence and his long-time addiction to human dependency.
The heroic saga of a small, but fiercely heroic bird, Wallet, who leaves his home after tragedy strikes, makes his way to Pigeon Heights where he becomes the right-hand man to recently crowned Pigeon King Phil, and is tasked with saving the day when terrorists strike.
In the new classist society that's been established among the equine community, a rich horse's daughter finds herself in a love triangle with a suitor approved by her father and a carriage horse from the wrong side of the tracks.
After a freak accident brings an assorted pile of random objects to life, the sentient items experience all of life's ups and downs on the path towards self-realisation - and the meaning behind it all.
An inter-species group of outsiders faces drama when given the ability to communicate with one another.
The animal community gathers for the trial of the century.
Estranged rat friends are forced back together on a trip into hostile feline territory.
Privates Phil and Mike find themselves in a precarious situation as tensions escalate.
With the fate of New York's animal population at stake, rats Phil and Mike work to pull off "Roachella", the animal kingdom's biggest musical festival.