Tropes in the series:
- BrotherSister Team
- Coordinated Clothes: Donny and Marie often dressed alike on the main stage.
- Crossover: With the cast of The Brady Bunch.
- Foolish Sibling, Responsible Sibling: Donny and Marie, respectively, at least on the main stage.
- Outnumbered Sibling: Marie has many brothers, but no sisters.
- Superman Substitute: Donny as Captain Purple. His Chest Insignia is a cluster of grapes.