A thief named Al the Actor (Don Messick), disguises as Officer Dibble to steal a fortune from an art gallery. After seeing how much can be paid for artworks, Top Cat has also taken up painting, but discovers his own artwork was also stolen. The gang, together with Dibble, team up to catch the thief.

Top Cat has arrived to charm his way into your hearts. Ever wonder how this scheming feline got his start? Well Top Cat Begins reveals the origins of everything you know and love about this classic comedy hero. What follows is an adventure so crazy that it has to be seen to be believed.