This diploma thesis explores public opinion on the program content of Croatian Television. The aim of this paper is to determine the public opinion about the program that Croatian Television offers on its programs HTV 1, HTV 2, HTV 3, HTV 4, what is their impact on viewers, and whether viewers are satisfied with the programs shown. In addition to the 24-hour program, Croatian Television offers its viewers other content that broadcasts their program, such as the social network Facebook, Twitter, the HRT website, and the HRTi application, which viewers can watch at any time by watching its program from countries and the world. no longer only through television devices, but also computers and mobile phones. Croatian Television also provides the service of teletext, programs on demand, adaptation of programs to hearing impaired, and specialized shows. In order to obtain relevant data on public opinion on the program content of Croatian Television, a survey was conducted on a sample of 125 respondents. The obtained results show that the majority of viewers of Croatian Television believe that HTV offers program content of social significance that commercial television companies do not normally provide. Respondents do not trust the information that is placed through HTV's programming, and the hypothesis that HTV acts as a public service for all Croatian citizens has not been confirmed.