Animals.

Series premiere. An 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 pants. 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.