The series centered around Tim's continued training and set up villains linked to the character.

The series has centered on eight main characters, four per team.

The series centered on Ellen's dealing with her quirky friends, her family and the problems of daily life.

The first series therefore centred on young teenagers crossing the bridge from childhood to adulthood.

The series centred on a firm of high tech security specialists in Los Angeles.

The series centered on a new firm of stock brokers.

The series centered on four eccentric high school friends in New York City.

The series centered on four guys who meet everyday with their dogs in a Los Angeles dog park.

The series centered around the six survivors of a world nuclear holocaust.

The series has centered on eleven main characters.