Animals.

Series premiere. A uninitiated rat gets mating tips from his friend at a subterranean party.

A naive male pigeon prepares to be a mom, while another is challenged by a Jersey rival.

Two privileged feline siblings find their perfect day interrupted by a crafty alley cat. A goose attempts to bond with a flock of swans.

A papillon is thrust into an unwelcoming dog park. A dog-walking group deals with a secret; two dogs bond a date.

A rat invents trousers. A moth tries neon light for the first time. Two fish couples have a tense dinner.

A pigeon runs into trouble when he reunites with his long-lost dad, while another struggles to encourage his son.

Two flies experience the ups and downs of life over the course of just a few hours. A carriage horse copes with insecurity; two cats rap.

Young squirrel brothers test their survival skills on a journey to escape their overturned tree home.

The conclusion of a group of squirrels' treacherous trek out of their collapsed tree home. A queen ant learns what her colony thinks of her.

A turkey seeks vengeance on Thanksgiving. Rat teens discover joys and horrors as they venture out of the sewer.