This bachelor thesis deals with social media within television journalism focusing on news report in the Czech environment. The aim of this thesis is to describe and analyse work with information sources of Czech television news journalists with emphasis put on how do they use social media as sources of information when creating television reports. In the theoretical part, the author defines concepts and terms necessary for understanding of given issue by using scholarly literature. The methodological part is focused on particular steps of research, it also contains significant studies regarding the theme of this thesis. The last part consists of data analysis gained from interviews with television journalists and of results discussion.