This article shows the results of an empirical research dealing with on-screen appeal strategies calling for the use of social networks during the most-watched programmes on general DTT channels in France, Germany, Italy, Spain and the United Kingdom in 2016-2017. The aim is to identify how the attention of social audiences is sought while the broadcast is taking place and what form these appeals acquire in the narrative and structure of formats. The content analysis shows the resources and strategies used, the differences according to country, channel ownership and programme genre, and the hegemonic use of hashtags and the unique strategies of info-show in commercial channels.This article shows the results of an empirical research dealing with on-screen appeal strategies calling for the use of social networks during the most-watched programmes on general DTT channels in France, Germany, Italy, Spain and the United Kingdom in 2016-2017. The aim is to identify how the attention of social audiences is sought while the broadcast is taking place and what form these appeals acquire in the narrative and structure of formats. The content analysis shows the resources and strategies used, the differences according to country, channel ownership and programme genre, and the hegemonic use of hashtags and the unique strategies of info-show in commercial channels.O artigo apresenta os resultados de uma pesquisa empírica sobre as estratégias de apelação em tela às redes sociais dos programas mais assistidos nos canais generalistas do TDT na França, Alemanha, Itália, Espanha e Reino Unido em 2016-2017. O objetivo é identificar como se exige a atenção das audiências sociais em tempo sincrônico à emissão e que forma se tornam na narração e estrutura dos formatos. A análise de conteúdo mostra os recursos e estratégias empregadas, as diferenças segundo o país, titularidade do canal e gênero programático, e o uso hegemônico da hashtag e as estratégias singulares do info-show nos canais comerciais.