starts with a kitten in a glue trap

Taran is an assistant pigkeeper with boyish dreams of becoming a great warrior. However, he has to put the daydreaming aside when his charge, an oracular pig named Hen Wen, is kidnapped by an evil lord known as the Horned King. The villain hopes Hen will show him the way to The Black Cauldron, which has the power to create a giant army of unstoppable soldiers.

A cat abuses his mouse-slave, serenades a girl-cat and devises a mousetrap.

A kitten... And a cookie.

Katnip teaches his little nephew Kitnip how to catch a mouse. Kitnip goes into Herman's mousehole and gets stuck under a pipe. Herman rescues Kitnip. Instead of being a supposed enemy, Kitnip becomes Herman's friend instead!

A kitten is dropped in a sack out of a car and rolls down a hill, to arrive at the door of Clyde and Matilda Mouse...