Possible Clues:

• Disney's Dwarfs, e.g.
• Group leader seen outside gym
• Series of seven
• Set of seven exercises master introduced
• Group chief drinks pint
• Magnificent group, as an example, needs leader to accept point
• Group of Death's scrapped with passion from the start
• Any group of seven
• Seven Samurai maybe needing leader to accept point
• The 'Harry Potter' books, e.g