Quick Serve Restaurant brands are as ubiquitous on American TV as they are on America's main streets, but how do these restaurant chains break through in a crowded market to capture attention and engage consumers with their ads? Their success is not just dependent on catchy creative, cross-branded promotions or the best sandwich offer. The daypart, network, and programming all influence QSR brands' ad performance. See which QSR brands broke through to capture high attention in the first quarter of 2021.