City Island is a living city where the objects are people. Watt the lightbulb helps everyone in town with his big ideas.

The series is set in City Island, a thriving metropolis with local organizations, government institutions, and a diverse citizenry, every car, tree and building is a fun character with its own name, voice, and distinctive personality. The shorts star Watt, a little lightbulb with big ideas. In each episode Watt meets all the cheerfully optimistic members of the community and learns about how they make the city run, exploring different locations like the library, airport, planetarium, art museum and more, all while working together to find the best solutions to simple problems.